Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：FRONTIERS MEDIA SA  

A hypothesis suggests that objects with a high degree of visual similarity to real humans trigger negative impressions (i.e., the uncanny valley). Previous studies have suggested that difficulty in object categorization elicits negative emotional reactions to enable the avoidance of potential threats. The present study further investigated this categorization-difficulty hypothesis. In an experiment, observers categorized morphed images of photographs and human doll faces as "photograph" or "doll" and evaluated the perceived eeriness of the images. Additionally, we asked the observers to answer questionnaires on behavioral inhibition systems (BIS). The results indicated that individual differences in the BIS score were associated with enhanced eeriness in the objects with a specific human likeness. These findings suggest that the tendency to avoid a potentially threatening novel experience contributes to promoting the perceived eeriness of objects with some degree of visual similarity to real humans.

DOI： 10.3389/fpsyg.2017.01792

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：SAGE PUBLICATIONS LTD  

The current study examined whether regularity of dot patterns would influence time perception. We presented observers the dot patterns with three levels of regularity (high, middle and low) and measured the perceived duration of each pattern by bisection and rating methods. The results revealed that the perceived duration of high regular patterns was longer than that of middle and low regular patterns. Thus, we found that stimulus regularity is one of the factors that influence time perception.

DOI： 10.1177/2041669517728944

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：UNIV FINANCE & MANAGEMENT WARSAW  

Clusters of holes, such as those in a lotus seedpod, induce trypophobic discomfort. Previous research has demonstrated that high-contrast energy at midrange spatial frequencies in images causes trypophobic discomfort. The present study examined the effects on discomfort of eliminating various spatial frequency components from the images to reveal how each spatial frequency contributes to the discomfort. Experiment 1 showed that eliminating midrange spatial frequencies did not affect trypophobic discomfort, while Experiment 2 revealed that images of holes that consisted of only high-spatial frequencies evoked less discomfort than other images and that images containing only low or midrange spatial frequencies induced as much trypophobic discomfort as did the original images. Finally, Experiment 3 found that participants with a high level of the trypophobic trait experienced stronger discomfort from the original images and the images containing only low or midrange spatial frequencies than participants with a low level of the trypophobic trait. Our findings thus suggest that trypophobic discomfort can be induced by middle and low spatial frequencies.

DOI： 10.5709/acp-0222-2

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：ROYAL SOC  

Upward and downward motor actions influence subsequent and ongoing emotional processing in accordance with a space-valence metaphor: positive is up/negative is down. In this study, we examined whether upward and downward motor actions could also affect previous emotional processing. Participants were shown an emotional image on a touch screen. After the image disappeared, they were required to drag a centrally located dot towards a cued area, which was either in the upper or lower portion of the screen. They were then asked to rate the emotional valence of the image using a 7-point scale. We found that the emotional valence of the image was more positive when the cued area was located in the upper portion of the screen. However, this was the case only when the dragging action was required immediately after the image had disappeared. Our findings suggest that when somatic information that is metaphorically associated with an emotion is linked temporally with a visual event, retrospective emotional integration between the visual and somatic events occurs.

DOI： 10.1098/rspb.2014.0690

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Other Link： http://orcid.org/0000-0002-5496-3748

Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

Perceived duration of a moving stimulus increases with the speed of the motion. However, a recent study found that the perceived duration of a decelerating stimulus was longer than that of an accelerating one, even though their averaged speed was identical (Matthews 2011 Journal of Experimental Psychology: Human Perception and Performance 37 1617-1627). We conducted three experiments to discover how this speed-change-induced time distortion occurs. We found that the perceived duration of a decelerating motion was longer than that of an accelerating one both in sub--second and supra-second presentation duration conditions, when speed changed linearly over time (experiment 1). The differences could not be explained by the differences in average perceived speed between them (experiment 2). Moreover, the perceived duration of a decelerating motion was also longer than that of an accelerating one, even when speed changed once during the presentation duration (experiment 3). These results suggest that average speed differences in the early and late parts of the presentation duration are important for the occurrence of the speed-change-induced time distortion.

DOI： 10.1068/p7241

Scopus

PubMed

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Authorship：Last author   Publishing type：Research paper (scientific journal)   Publisher：Qeios Ltd  

The uncanny valley phenomenon has been widely discussed in relation to human-like entities, but some studies suggest it also applies to inanimate stimuli. Recently, Sasaki et al.[1] used abstract figures as stimuli and argued that categorization failure, rather than difficulty, underlies the uncanny valley phenomenon. While we appreciate their interesting proposal, we clarify that categorization difficulty and failure are not mutually exclusive accounts. We critically examine the findings of Sasaki et al.[1], questioning the lack of direct evidence for categorization failure and their reliance on non-significant results. Furthermore, we propose that the (difficulty-originated) "stranger-avoidance" hypothesis remains a viable alternative, suggesting that categorization difficulty leads to negative responses. Future research should integrate these perspectives to achieve a more comprehensive understanding. Our commentary highlights the need for collaboration and theoretical refinement in uncanny valley research.

DOI： 10.32388/jfvyno.2

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Publishing type：Research paper (scientific journal)   Publisher：F1000 Research Ltd  

<p>Background The COVID-19 pandemic has led to instructions and suggestions from governments and experts to maintain social (physical) distance between people to prevent aerosol transmission of the virus, which is now becoming the norm. Thus, we examined whether the pandemic extended the distance between personal belongings. Methods We recruited 68 university students and instructed them to place their belongings on a long table following another participant (i.e., confederate). We measured the physical distance between the two belongings (i.e., the participant’s and the confederate’s). We collected data between June 10, 2022 and January 23, 2023. Pre-pandemic data was from Ariga (2016). Analysis was completed with one-tailed t-tests. Results Compared with the pre-pandemic results, via one-tailed t-test, the distance between the two belongings during the pandemic was significantly longer. Our results supported the hypothesis that the psychological framework for processing people’s belongings has dramatically changed during this pandemic. Conclusion This change may have been driven by social distancing practices or an increase in perceived vulnerability to disease. Our results provide new implications for future public spatial design, in other words, not only the distance between people, but also the distance between their belongings.</p>

DOI： 10.12688/f1000research.130662.3

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Other Link： https://f1000research.com/articles/12-199/v3/pdf

Authorship：Last author,　Corresponding author   Publishing type：Research paper (scientific journal)  

DOI： 10.31234/osf.io/adrpw

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Publishing type：Research paper (scientific journal)   Publisher：Qeios Ltd  

The global pandemic triggered by the emergence of the highly contagious disease known as COVID-19 has brought about substantial shifts in the everyday lives of individuals across the globe. The present study aimed to elucidate the evolution of perceived vulnerability to disease (PVD) before, during, and after the pandemic by comparing PVD levels in Japan from 2018 to 2023. We analyzed longitudinal changes in perceived vulnerability to disease (PVD) using data collected in Japan across five time points (2018, 2020, 2021, 2022, and 2023). Data from 2018, 2020, and 2021 were obtained from publicly available datasets, while we collected data from 2022 and 2023 for this study. The results showed that although PVD (consisting of perceived infectability and germ aversion) increased significantly in the early stages of the pandemic in 2020, it decreased each year thereafter. By 2023, perceived infectability had declined to a level lower than in 2018, while germ aversion, although lower than in 2020, remained higher than pre-pandemic levels. This finding indicates a tendency to negative estimate one's resistance to infection during the pandemic, while after the crisis abated, individuals tend to assess their resistance to infection more positively. In contrast, germ aversion continued to show a lasting effect, remaining elevated even three years after the peak. These results suggest that the pandemic may have introduced a dual effect: in addition to heightening sensitivity to infection prevention, it may have cultivated a sense of “overconfidence” regarding infection resistance. This overconfidence potentially contributes to a more relaxed attitude toward infectious disease risks, as individuals perceive themselves as resilient after enduring an unprecedented public health crisis.

DOI： 10.32388/4co88y.4

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Language：English   Publishing type：Research paper (scientific journal)  

It has been reported that strong discomfort associated with clusters of circles and holes (trypophobia), including lotus pod seeds, manifests in individuals as young as 4 or 5 years old. This study investigated how the size and number of circles within clusters affected discomfort levels in adults and in children aged 4-9 years. In Experiment 1, we confirmed that the remote experimental procedure could evoke discomfort when participants were presented with cluster images. The findings reveal that children as young as 4 or 5 years old consistently experienced discomfort when rating trypophobic images, even printed images rated in real time during video calls. In Experiment 2, we explored the impact of cluster size, considering both the size and number of circles, in a remote experiment. The results indicate that discomfort tended to increase with cluster size in both children and adults, with the effect becoming more pronounced with age.

DOI： 10.1038/s41598-024-67002-z

PubMed

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Authorship：Lead author,　Corresponding author   Publishing type：Research paper (scientific journal)  

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DOI： 10.5178/lebs.2024.119

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Publishing type：Research paper (scientific journal)   Publisher：F1000 Research Ltd  

<p>Scientists write research articles, process ethics reviews, evaluate proposals and research, and seek funding. Several strategies have been proposed to optimize these operations and to decentralize access to research resources and opportunities. For instance, we previously proposed the trinity review method, combining registered reports with financing and research ethics assessments. However, previously proposed systems have a number of shortcomings, including how to implement them, e.g., who manages them, how incentives for reviewers are paid, etc. Various solutions have been proposed to address these issues, employing methods based on blockchain technologies, called “decentralized science (DeSci)”. Decentralized approaches that exploit these developments offer potentially profound improvements to the troubled scientific ecosystem. Here, we propose a system that integrates ethics reviews, peer reviews, and funding in a decentralized manner, based on Web3 technology. This new method, named ABCDEF publishing, would enhance the speed, fairness, and transparency of scientific research and publishing.</p>

DOI： 10.12688/f1000research.130188.1

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Other Link： https://f1000research.com/articles/12-877/v1/pdf

Publishing type：Research paper (scientific journal)   Publisher：Association for Research in Vision and Ophthalmology (ARVO)  

DOI： 10.1167/jov.23.6.6

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Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

Abstract

The fear or disgust of clustered patterns, such as honeycomb or lotus seed pods, is known as trypophobia. A previous developmental study reported that 4-year-old children prefer neutral images over clustered images. However, whether those results indicated higher rating scores for trypophobic images has been controversial. In this study, we examined discomfort with trypophobic images in adults and children aged 4–9 years using an identical experimental procedure. A modified rating scale applicable for children was used that was based on the established Trypophobia Scale for adults. The participants were required to rate five trypophobic and five neutral images on four rating items (disgusting, fear, feel itchiness, and like) on a 4-point scale ranging from 1 (not at all) to 4 (very much). The participants in all age groups indicated higher rate scores for trypophobic images than for neutral images in terms of ‘disgust’, ‘fear’, and ‘feeling itchiness’, whereas they indicated higher scores for neutral images than for trypophobic images in terms of ‘like’. These results suggest that children aged 4–5 years have responses comparable to the responses of adults with respect to trypophobic and neutral images; thus, trypophobia appears to emerge at least by the age of 4–5 years.

DOI： 10.1038/s41598-023-29808-1

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Other Link： https://www.nature.com/articles/s41598-023-29808-1

Authorship：Lead author,　Corresponding author  

DOI： 10.31234/osf.io/e8mvw

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Publishing type：Research paper (scientific journal)   Publisher：F1000 Research Ltd  

<p>Background: Previous studies have shown that the association between smiling and youth is a misconception; smiling faces have been estimated to be older than neutral faces. Previous studies have indicated that this aging effect of smiling (AES) is due to eye wrinkles caused by the facial action of smiling. However, whether holistic processing for facial expressions is involved in AES has not been investigated. The present study aimed to clarify these issues.</p><p>Methods: Participants were recruited to participate in an online experiment that had a 3 (facial expression: smiling/neutral/surprised) × 2 (facial orientation: upright/inverted) mixed design. Participants were presented with an upright or inverted face for each expression (neutral, smiling, and surprised) and were asked to estimate the individual’s age.</p><p>Results: In total, 104 participants were included in the analysis. The results show that smiling faces were estimated to be older than neutral faces, whereas there was no significant difference between upright and inverted faces.</p><p>Conclusions: Our findings suggest that AES is not dependent on holistic processing.</p>

DOI： 10.12688/f1000research.111126.2

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Other Link： https://f1000research.com/articles/11-404/v2/pdf

Publishing type：Research paper (scientific journal)   Publisher：PeerJ  

The present study addresses the need for a valid instrument for measuring dimensions of psychological ownership, including that of owned and non-owned objects, for use in the language and culture of Japan. Although the theory of psychological ownership has expanded self-extension theory, the most widely used scale of psychological ownership does not measure the extent to which one feels that it (the owned object) is a part of them. Thus, the present study aimed to develop a Japanese version of the Psychological Ownership Scale (POS-J) and examine its reliability and validity. Study 1 measured the POS-J of an owned object, finding the POS-J to have a two-factor structure (possession-self link and feeling of ownership) and its internal consistency and reliability to be adequate. Moreover, POS-J scores were positively correlated with perceived control and self-extension tendency, but not monetary value, indicating that conceptual validity was generally supported. To confirm whether the POS-J could be used for a non-owned object, Study 2 rephrased the expressions of item descriptions and examined the effect of imagining touching a non-owned object on the POS-J scores, showing that doing so increased the POS-J scores for the object. Our findings suggest that the POS-J is a reliable and valid measure of the psychological ownership of owned and non-owned objects for use in Japan.

DOI： 10.7717/peerj.13063

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Other Link： https://peerj.com/articles/13063.xml

Language：English   Publisher：SPRINGERNATURE  

One major source of exhaustion for researchers is the redundant paperwork of three different documents-research papers, ethics review applications, and research grant applications-for the same research plan. This is a wasteful and redundant process for researchers, and it has a more direct impact on the career development of early-career researchers. Here, we propose a trinity review system based on Registered Reports that integrates scientific, ethics, and research funding reviews. In our proposed trinity review system, scientific and ethics reviews are undertaken concurrently for a research protocol before running the study. After the protocol is approved in principle through these review processes, a funding review will take place, and the researchers will begin their research. Following the experiments or surveys, the scientific review will be conducted on a completed version of the paper again, including the results and discussions (i.e., the full paper), and the full paper will be published once it has passed the second review. This paper provides the brief process of the trinity review system and discusses the need for and benefits of the proposed system. Although the trinity review system only applies to a few appropriate disciplines, it helps improve reproducibility and integrity.

DOI： 10.1186/s13104-022-06043-x

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DOI： 10.7717/peerj.11559

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Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

<title>Abstract</title>Our bodily sensation is a fundamental cue for our self-consciousness. Whereas experimental studies have uncovered characteristics of bodily sensation, these studies investigated bodily sensations through manipulating bodily sensations to be apart from one’s own body and to be assigned to external, body-like objects. In order to capture our bodily sensation as it is, this questionnaire survey study explored the characteristics of bodily sensation using a large population-based sample (<italic>N</italic> = 580, comprising 20s to 70s age groups) without experimental manipulations. We focused on the sensations of ownership, the feeling of having a body part as one’s own, and agency, the feeling of controlling a body part by oneself, in multiple body parts (the eyes, ears, hands, legs, nose, and mouth). The ownership and agency sensations were positively related to each other in each body part. Interestingly, the agency sensation of the hands and legs had a positive relationship with the ownership sensations of the other body parts. We also found the 60s age group had a unique internal configuration, assessed by the similarity of rating scores, of the body parts for each bodily sensation. Our findings revealed the existence of unique characteristics for bodily sensations in a natural state.

DOI： 10.1038/s41598-021-87843-2

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Other Link： http://www.nature.com/articles/s41598-021-87843-2

Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

Abstract

Objective

The clone devaluation is a phenomenon reported by the latest paper in which eeriness is evoked when people observe individuals with the same face (clone faces) compared to those with different faces. There are two possibilities that explain the clone devaluation effect. One is that the same facial features that clone faces have (duplication of facial features) induce the clone devaluation effect. The other possibility is that duplication of identities between people with clone faces is important for the clone devaluation effect. We thus conducted an experiment to investigate whether the duplication of identities or of facial features induces the clone devaluation effect.

Results

Participants evaluated eeriness of scrambled clone faces and scrambled different faces using the paired comparison method. There was only a slight difference in subjective eeriness between scrambled clone faces and scrambled different faces. Therefore, this study suggests that the duplication of local facial features does not play a key role in inducing the clone devaluation effect.

DOI： 10.1186/s13104-021-05815-1

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Other Link： https://link.springer.com/article/10.1186/s13104-021-05815-1/fulltext.html

DOI： 10.1371/journal.pone.0254396

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Publishing type：Research paper (scientific journal)   Publisher：PeerJ  

When people are confronted with health proposals during the coronavirus disease 2019 (COVID-19) pandemic, it has been suggested that fear of COVID-19 can serve protective functions and ensure public health compliance. However, health proposal repetition and its perceived efficacy also influence the behavior intention toward the proposal, which has not yet been confirmed in the COVID-19 context. The present study aims to examine whether the extended parallel process model (EPPM) can be generalized to a naturalistic context like the COVID-19 pandemic. Additionally, we will explore how repetition of a health proposal is involved with the EPPM. In this study, two groups of participants are exposed to the same health proposal related to COVID-19, where one group is exposed once and another group twice. They then fill out a questionnaire consisting of items concerning behavior intention and adapted from the Risk Behavior Diagnosis Scale. Structural equation modeling will be used to determine the multivariate associations between the variables. We predict that repetition of the health proposal will associate with response efficacy (i.e., a belief about the effectiveness of the health proposal in deterring the threat) and perceived susceptibility (i.e., a belief about the risk of experiencing the threat). It is also predicted that following the EPPM, behavior intention will associate with both perceived efficacy of the health proposal, which will underlie response efficacy, and perceived threat of COVID-19, which will underlie perceived susceptibility. We will discuss the process, based on the model, where health message repetition affects behavior intention during the COVID-19 pandemic.

DOI： 10.7717/peerj.10318

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Other Link： https://peerj.com/articles/10318.xml

Publishing type：Research paper (scientific journal)   Publisher：Hogrefe Publishing Group  

Abstract. In this experiment, we replicated the effect of muscle engagement on perception such that the recognition of another’s facial expressions was biased by the observer’s facial muscular activity (Blaesi &amp; Wilson, 2010). We extended this replication to show that such a modulatory effect is also observed for the recognition of dynamic bodily expressions. Via a multilab and within-subjects approach, we investigated the emotion recognition of point-light biological walkers, along with that of morphed face stimuli, while subjects were or were not holding a pen in their teeth. Under the “pen-in-the-teeth” condition, participants tended to lower their threshold of perception of happy expressions in facial stimuli compared to the “no-pen” condition, thus replicating the experiment by Blaesi and Wilson (2010). A similar effect was found for the biological motion stimuli such that participants lowered their threshold to perceive happy walkers in the pen-in-the-teeth condition compared to the no-pen condition. This pattern of results was also found in a second experiment in which the no-pen condition was replaced by a situation in which participants held a pen in their lips (“pen-in-lips” condition). These results suggested that facial muscular activity alters the recognition of not only facial expressions but also bodily expressions.

DOI： 10.1027/1618-3169/a000470

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Authorship：Lead author,　Corresponding author  

DOI： 10.3389/frma.2020.607257

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Authorship：Lead author,　Corresponding author   Publishing type：Research paper (scientific journal)  

DOI： 10.24602/sjpr.62.3_262

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DOI： 10.7717/peerj.8837

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：ROYAL SOC  

The coronavirus disease 2019 (COVID-19) outbreak is threatening not only health but also life worldwide. It is important to encourage citizens to voluntarily practise infection-prevention (IP) behaviours such as social distancing and self-restraint. Previous research on social cognition suggested that emphasizing self-identity is key to changing a person's behaviour. The present study investigated whether reminders that highlight self-identity would be effective in changing intention and behaviour related to the COVID-19 outbreak, and hypothesized that those who read reminders highlighting self-identity (Don't be a spreader) would change IP intention and behaviour better than those who read 'Don't spread' or no reminder. We conducted a two-wave survey of the same participants with a one-week interval, during which we assigned one of three reminder conditions to the participants: 'Don't spread' (spreading condition), 'Don't be a spreader' (spreader condition) and no reminder (control condition). Participants marked their responses to IP intentions and actual behaviours each week based on the Japanese Ministry of Health, Labour and Welfare guidelines. While the results did not show significant differences between the conditions, the post hoc analyses showed significant equivalence in either IP intentions or behavioural scores. We discussed the results from the perspective of the effect size, ceiling effects and ways of manipulation checks as future methods with more effective persuasive messaging. Following in-principle acceptance, the approved Stage 1 version of this manuscript was pre-registered on the OSF at https://doi.org/10.17605/OSF.IO/KZ5Y4. This pre-registration was performed prior to data collection and analysis.

DOI： 10.1098/rsos.200793

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Publishing type：Research paper (scientific journal)   Publisher：F1000 Research Ltd  

<ns4:p>The COVID-19 outbreak is a worldwide medical and epidemiological catastrophe, and the number of psychological studies concerning COVID-19 is growing daily. Such studies need baseline data from before the COVID-19 outbreak for comparison, but such datasets have not yet been accumulated and shared. Here, we provide a dataset on the perceived vulnerability to disease scale for 1382 Japanese participants obtained through an online survey conducted in 2018 that will be useful for comparison with current or post-COVID-19 perceived vulnerability to disease data.</ns4:p>

DOI： 10.12688/f1000research.23713.2

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Other Link： https://f1000research.com/articles/9-334/v2/pdf

Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer Nature  

Facilitation of creative thinking is an important element for innovation. It has been suggested that cognitive resources are involved in creative thinking; however, little evidence of this involvement has been found. To address this issue, the present study focuses on eye closure, which saves more cognitive resources than open eyes. Forty participants experienced both close-eyed and open-eyed conditions, and all of them were asked to generate new names for rice and tea. The results revealed that in the close-eyed condition, participants generated 1.6-times more divergent (unrestricted and flexible) ideas than in the open-eyed condition, suggesting that closing eyes during thinking enhances creativity. Our findings provide empirical evidence for the necessity of cognitive resources in creative thinking.

DOI： 10.1057/s41599-018-0138-0

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Authorship：Lead author,　Corresponding author  

DOI： 10.11225/jcss.25.50

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DOI： 10.14947/psychono.36.34

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：BioMed Central Ltd.  

Objective: Trypophobia refers to the intense negative emotions evoked by exposure to repeated visual patterns like a honeycomb. We propose a cognitive mechanism that can explain why such negative emotions are triggered by trypophobic objects, primarily through automatic and involuntary avoidance of skin diseases, which is also called as the Involuntary Protection Against Dermatosis (IPAD) hypothesis. Results: We asked 856 participants to evaluate the discomfort evoked by trypophobic images and to report their past and current skin-related medical problems. Results showed that participants with a history of skin problems rated the pictures as evoking high discomfort as compared to those without skin problems. We conducted another survey to replicate the original survey using additional 690 participants, which confirmed the reliability of the current findings. The current study presents preliminary observational data that supports the IPAD hypothesis and suggests ways to reduce maladaptive emotional reactions toward trypophobic objects.

DOI： 10.1186/s13104-017-2953-6

Scopus

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Language：English   Publisher：ELSEVIER SCIENCE BV  

Artificial objects often subjectively look eerie when their appearance to some extent resembles a human, which is known as the uncanny valley phenomenon. From a cognitive psychology perspective, several explanations of the phenomenon have been put forth, two of which are object categorization and realism inconsistency. Recently, MacDorman and Chattopadhyay (2016) reported experimental data as evidence in support of the latter. In our estimation, however, their results are still consistent with categorization based stranger avoidance. In this Discussions paper, we try to describe Why categorization-based stranger avoidance remains a viable explanation, despite the evidence of MacDorman and Chattopadhyay, and how it offers a more inclusive explanation of the impression of eeriness in the uncanny valley phenomenon. (C) 2016 Elsevier B.V. All rights reserved.

DOI： 10.1016/j.cognition.2016.09.001

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Language：Japanese   Publisher：The Japan Reading Association  

<p>This study investigated the effectiveness of a search system designed to help parents find picture books for their infants and toddlers. Sixteen mothers used Pitarie―a search system that enables parents to find picture books suitable for their childʼs age and interests―and completed questionnaires and interviews concerning their joint picture-book reading experiences both before and after using the system. The questionnaire results showed that Pitarieʼs user-friendly interface and its search functions aided the mothers in finding picture books that were appropriate for their child.Moreover,follow-up interviews with the mothers also indicated that Pitarie increased their motivation to read picture books by introducing them to a wider variety of picture books. These findings suggest that Pitarie can improve the quality of picture-book selection and enhance joint picture-book reading.</p>

DOI： 10.19011/sor.59.3_134

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DOI： 10.11225/jcss.24.360

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：SPRINGER HEIDELBERG  

Numerical representations influence temporal processing. Previous studies have consistently shown that larger numbers are perceived to last longer than smaller ones. However, whether this effect is modulated by the absolute or relative magnitudes of the numbers has yet to be fully understood. Here, participants observed single-and double-digit Arabic numerals in separate experimental blocks and reproduced stimulus duration of 600 or 1200 ms. Our results replicated previous findings that the duration of larger numbers was reproduced longer than that of smaller numbers within each digit set. Although the effect of numerical magnitude across single-and double-digit numerals was found when the numerals were presented for 600 ms, the difference was negligible when they were presented for 1200 ms, suggesting that relative magnitude is an important factor in the number-time interaction in the suprasecond range. These results suggest that contextual influence on number-time interaction may depend on the actual stimulus duration.

DOI： 10.1007/s10339-015-0744-3

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Publisher：Human Behavior and Evolution Society of Japan  

DOI： 10.5178/lebs.2016.44

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：ELSEVIER SCIENCE BV  

Emotional information influences our bodily experiences according to the space-valence metaphor (positive/negative is up/down). In the present study, we examined whether visible and invisible emotional stimuli could also modulate voluntary action. After observing an emotional image (e.g., positive, neutral, or negative), participants used a joystick to arbitrarily position a dot stimulus in a display. The emotional image was either masked (masked condition) or not (unmasked condition) via a continuous flash suppression technique, i.e., dynamic interocular masking. We found that in the unmasked condition, the placed position of the dot was significantly higher after observing the positive image compared with the negative image, but this difference was not present in the masked condition. Our findings suggest that conscious emotional information is necessary for activating sensorimotor representations of vertical directions, and voluntary action is performed based on these activations. (C) 2015 Elsevier B.V. All rights reserved.

DOI： 10.1016/j.actpsy.2015.11.003

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Publisher：The Quantitative Methods for Psychology  

DOI： 10.20982/tqmp.11.2.r008

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD  

When faced with a novel food, multisensory information that includes appearance and smell is a very important cue for preference, categorization, and the decision of whether or not to eat it. We elucidated whether olfactory information leads to biased visual categorization of and preference for fruits, even when odors are presented subliminally. We employed morphed images of strawberries and tomatoes combined with their corresponding odorants as stimuli. Participants were asked to categorize the images into either of two categories, to evaluate their preference for each visual image, and to judge the presence/absence of the odor. Results demonstrated that visual categorization was not affected by the odor manipulation; however, preference for uncategorizable images increased when odors were presented regardless of the participant's awareness of the odor. Our findings suggest that visual preference for novel fruits is based on both conscious and unconscious olfactory processing regarding edibility. (C) 2014 Elsevier Ltd. All rights reserved.

DOI： 10.1016/j.appet.2014.06.006

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：PION LTD  

The present study demonstrated that friction cues for target motion affect time-to-contact (TTC) estimation. A circular target moved in a linear path with a constant velocity and was gradually occluded by a static rectangle. The target moved with forward and backward spins or without spin. Observers were asked to respond at the time when the moving target appeared to pass the occluder. The results showed that TTC was significantly longer in the backward spin condition than in the forward and without-spin conditions. Moreover, similar results were obtained when a sound was used to imply friction. Our findings indicate that the observer's experiential knowledge of motion coupled with friction intuitively modulated their TTC estimation.

DOI： 10.1068/p7690

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Authorship：Lead author  

DOI： 10.5057/ijae.13.279

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Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：PION LTD  

While viewing a large vertically moving sinusoidal luminance grating, the perception of upward self-motion (vection) was modulated by positive sounds (eg a baby's laughter). This may be because positive emotion and the spatial metaphor of vertical directions were unified in the mind.

DOI： 10.1068/p7215

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Publisher：Center for Open Science  

<p>We investigated the psychological effects of continuous gaze from a conversation partner using an application developed by NVIDIA, designed to maintain artificial eye contact. We focused on a phenomenon known as the transparency illusion, in which individuals perceive excessive scrutiny from their conversation partners. We aimed to explore whether the transparency illusion is influenced by factors such as the conversation partner’s natural eyes and artificial gaze. We recruited 57 participants. During the experiment, the participants engaged in a game of Rock, Paper, Scissors. Subsequently, they were asked to express whether they believed they won or lost the game. The game was played under three distinct conditions: video-off, video-on without artificial gaze, and video-on with artificial gaze. As a result, we could not conclude whether the presence of a gaze or the use of an artificial gaze enhanced the illusion of transparency.</p>

DOI： 10.31234/osf.io/6vjy4

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DOI： 10.31219/osf.io/q4fjy

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F1000Researchに掲載

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Journal of Visionに掲載

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Frontiers in Human Neuroscienceに掲載

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Publishing type：Internal/External technical report, pre-print, etc.  

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BMC Research Notesに掲載

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PLOS ONEに掲載

DOI： 10.31234/osf.io/x8ugt

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Language：Japanese   Publishing type：Research paper, summary (national, other academic conference)  

DOI： 10.14875/cogpsy.2020.0_124

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PeerJに採択

DOI： 10.31234/osf.io/e46nz

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DOI： 10.31234/osf.io/fqmce

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DOI： 10.31234/osf.io/e8mvw

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DOI： 10.31234/osf.io/6wdaz

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Royal Society Open Scienceに掲載

DOI： 10.31234/osf.io/u4z3e

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認知心理学会テクニカルレポート掲載

DOI： 10.31234/osf.io/ezaq2

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Experimental Psychology掲載

DOI： 10.31234/osf.io/4uvdq

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Language：Japanese   Publisher：電子情報通信学会  

CiNii Books

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DOI： 10.31234/osf.io/gra6s

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心理学評論に掲載

DOI： 10.31234/osf.io/4qnfk

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Language：Japanese   Publishing type：Research paper, summary (national, other academic conference)  

DOI： 10.14875/cogpsy.2019.0_93

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PeerJ掲載

DOI： 10.31234/osf.io/u54vb

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心理学評論に第一段階承認

DOI： 10.31234/osf.io/rfvp2

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Language：Japanese   Publishing type：Research paper, summary (national, other academic conference)  

DOI： 10.14875/cogpsy.2018.0_8

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DOI： 10.31234/osf.io/5xshq

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Palgrave Communicationsに掲載

DOI： 10.31234/osf.io/uq6mg

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Publishing type：Internal/External technical report, pre-print, etc.  

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Publishing type：Article, review, commentary, editorial, etc. (bulletin of university, research institution)  

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Language：English   Publishing type：Internal/External technical report, pre-print, etc.  

DOI： 10.31234/osf.io/q6vpr

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Language：Japanese  

CiNii Books

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Publishing type：Internal/External technical report, pre-print, etc.  

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Publishing type：Internal/External technical report, pre-print, etc.  

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Language：Japanese  

CiNii Books

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Language：Japanese  

CiNii Books

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Language：English   Publishing type：Research paper, summary (international conference)   Publisher：ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD  

Web of Science

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Cognitionに掲載

DOI： 10.48550/arXiv.1609.03191

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Publishing type：Article, review, commentary, editorial, etc. (bulletin of university, research institution)  

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Language：English   Publishing type：Research paper, summary (international conference)   Publisher：PION LTD  

Web of Science

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Language：Japanese   Publisher：The Japanese Psychonomic Society  

We examined the effect of temporal change in numerical magnitude on time perception. In two experiments, we measured perceived duration of numerical sequences, in which the numerical magnitude of digits (Experiment 1) or the number of dots (Experiment 2) increased or decreased over time. The presentation durations of the numerical sequences were sub-second and supra-second. Experiments 1 and 2 showed that the perceived duration of the decreasing sequence was longer than that of the increasing sequence for any presentation duration except the sub-second duration of Experiment 1. These results suggest that temporal change in numerical magnitude influences time perception, but it takes a certain length of presentation duration for the effect to occur when the magnitude is represented by symbolic numerosities such as digits.

DOI： 10.14947/psychono.KJ00008989074

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Language：Japanese  

DOI： 10.15017/26130

CiNii Books

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Language：Japanese   Publisher：日本基礎心理学会  

DOI： 10.14947/psychono.KJ00008685310

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Language：Japanese  

J-GLOBAL

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Language：English   Publisher：IEEE  

The present study examined the effect of viewing spatially ordered numbers on time perception. Five single digits were presented as the test stimuli. The digits were chosen from 1 to 9 and presented in a horizontal line. We tested the arrangement of the digits in three conditions, where numerical magnitude of the digits increased from left to right (Small-Large condition), decreased from left to right (Large-Small condition), or in a random order (Random condition). Observers were asked to reproduce the presentation duration of the stimuli by pressing the spacebar for as long as the stimulus had been presented. The results showed that the reproduced time was shorter in the Small-Large condition than the other two conditions. The effect of numerical order on time perception is discussed from the perspective of the mental representation of numbers and fluency of cognitive processing.

DOI： 10.1109/ICBAKE.2013.22

Web of Science

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Language：Japanese  

J-GLOBAL

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Language：English  

The present study examined the effect of extrinsic motivation on temporal interval production. Observers were asked to produce the duration of 2.5 sec as accurately as possible, and gained or lost a certain amount of score after each trial. The amount of provided scores varied with the color of target: red or green circle was assigned to high or low scores. We found that the higher amount of expected gain and loss decreased the absolute error of temporal production. However, no effect of motivation was found on the constant error and variable error. These results suggest that extrinsic motivation improved the precision of temporal production. We propose that the striatal dopamine system may mediate motivational influences on time perception. © 2011 IEEE.

DOI： 10.1109/ICBAKE.2011.40

Scopus

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Event date： 2024.9

Language：Japanese   Presentation type：Poster presentation  

Venue：熊本城ホール  

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Event date： 2024.9

Presentation type：Poster presentation  

Venue：熊本城ホール   Country：Japan  

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Event date： 2024.9

Presentation type：Poster presentation  

Venue：熊本城ホール  

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Event date： 2024.9

Language：Japanese   Presentation type：Poster presentation  

Venue：熊本城ホール   Country：Japan  

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Venue：Munich, Germany  

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Presentation type：Oral presentation (general)  

Venue：エイムアテイン貸会議室  

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Venue：Prague, Czech Republic  

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Presentation type：Oral presentation (general)  

Venue：大阪大学   Country：Japan  

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Venue：Ha Long, Vietnam  

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Presentation type：Poster presentation  

Venue：大阪国際交流センター  

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Presentation type：Poster presentation  

Venue：大阪国際交流センター  

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Presentation type：Poster presentation  

Venue：大阪国際交流センター  

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Language：Japanese   Presentation type：Poster presentation  

Venue：人間環境大学  

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Language：Japanese   Presentation type：Poster presentation  

Venue：人間環境大学  

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Venue：Tokyo, Japan.  

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Presentation type：Poster presentation  

Venue：神戶国際会議場  

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Venue：Tokyo, Japan.  

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Venue：中央大学  

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Presentation type：Oral presentation (general)  

Venue：北九州コンベンション協会  

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Presentation type：Oral presentation (general)  

Venue：慶應義塾大学   Country：Japan  

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Language：Japanese   Presentation type：Poster presentation  

Venue：公立はこだて未来大学   Country：Japan  

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Presentation type：Oral presentation (general)  

Venue：関西学院大学   Country：Japan  

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Presentation type：Poster presentation  

Venue：東京都立大学  

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Presentation type：Oral presentation (general)  

Venue：関西学院大学   Country：Japan  

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Presentation type：Poster presentation  

Venue：公立はこだて未来大学   Country：Japan  

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Presentation type：Poster presentation  

Venue：神戸大学  

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Presentation type：Poster presentation  

Venue：日本大学  

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Presentation type：Poster presentation  

Venue：神戸大学  

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Venue：日本大学  

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Presentation type：Poster presentation  

Venue：日本大学  

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Presentation type：Oral presentation (general)  

Venue：西南学院大学  

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Presentation type：Oral presentation (general)  

Venue：ホテルクレメント高松・レクザムホール (香川県・ハイブリッド開催)  

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Presentation type：Poster presentation  

Venue：大阪大学 (オンライン)  

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Venue：立命館大学  

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Presentation type：Poster presentation  

Venue：ホテルクレメント高松・レクザムホール (香川県・ハイブリッド開催)  

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Presentation type：Oral presentation (general)  

Venue：東北大学  

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Presentation type：Oral presentation (general)  

Venue：京都工芸繊維大学  

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Presentation type：Poster presentation  

Venue：サンポートホール高松  

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Presentation type：Poster presentation  

Venue：サンポートホール高松  

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Presentation type：Poster presentation  

Venue：千葉大学  

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Venue：流通科学大学 (ハイブリッド開催)  

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Presentation type：Oral presentation (general)  

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Venue：早稲田大学  

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Venue：金沢工業大学 (オンライン)  

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Venue：金沢工業大学 (オンライン)  

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Venue：北星学園大学  

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Venue：東京工業大学 (オンライン)  

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Venue：北海道大学 (オンライン)  

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Venue：Prague, Czech Republic   Country：Czech Republic  

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Venue：東京工業大学  

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Venue：Prague, Czech Republic.   Country：Czech Republic  

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Venue：同志社大学赤ちゃん学研究センター  

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Presentation type：Oral presentation (general)  

Venue：東北大学 (オンライン)  

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Presentation type：Oral presentation (general)  

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Presentation type：Oral presentation (general)  

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Venue：大阪大学  

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Presentation type：Oral presentation (general)  

Venue：J:COM ホルトホール大分  

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Venue：就実大学（オンライン）  

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Presentation type：Oral presentation (general)  

Venue：大阪大学  

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Presentation type：Poster presentation  

Venue：東京大学  

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Venue：Dubrovnik   Country：Croatia  

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Venue：京都テルサ 京都府  

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Venue：九州大学  

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Venue：Paris   Country：France  

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Presentation type：Public lecture, seminar, tutorial, course, or other speech  

Venue：新潟大学  

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Presentation type：Public lecture, seminar, tutorial, course, or other speech  

Venue：京都テルサ  

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Venue：早稲田大学  

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Presentation type：Oral presentation (general)  

Venue：沖縄県市町村自治会館 沖縄県  

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Presentation type：Oral presentation (general)  

Venue：東北大学  

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Presentation type：Oral presentation (general)  

Venue：沖縄県市町村自治会館 沖縄県  

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Presentation type：Oral presentation (invited, special)  

Venue：神戸大学  

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Presentation type：Poster presentation  

Venue：神戸大学  

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Presentation type：Poster presentation  

Venue：立命館大学  

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Presentation type：Oral presentation (general)  

Venue：東京大学  

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Presentation type：Poster presentation  

Venue：仙台国際センター  

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Venue：第一工業大学  

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Venue：中央大学  

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Venue：日本印刷会館  

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Venue：広島大学  

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Presentation type：Poster presentation  

Venue：立命館大学  

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Presentation type：Poster presentation  

Venue：仙台国際センター  

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Presentation type：Oral presentation (general)  

Venue：東京女子大  

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Presentation type：Poster presentation  

Venue：東京女子大  

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Venue：Krakow   Country：Poland  

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Presentation type：Oral presentation (general)  

Venue：九州大学  

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Venue：仙台国際センター  

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Venue：San Francisco   Country：United States  

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Venue：好奇心の森「ダーウィンルーム」  

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Presentation type：Oral presentation (general)  

Venue：専修大学  

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Presentation type：Poster presentation  

Venue：専修大学  

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Presentation type：Oral presentation (general)  

Venue：沖縄県市町村自治会館 沖縄県  

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Presentation type：Poster presentation  

Venue：沖縄県市町村自治会館 沖縄県  

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Presentation type：Poster presentation  

Venue：専修大学  

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Presentation type：Poster presentation  

Venue：専修大学  

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Venue：早稲田大学消費者研究所  

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Venue：Florida   Country：United States  

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Venue：Bologna   Country：Italy  

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Venue：京都大学霊長類研究所  

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Presentation type：Poster presentation  

Venue：久留米シティプラザ  

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Presentation type：Poster presentation  

Venue：同志社大学  

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Presentation type：Poster presentation  

Venue：同志社大学  

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Presentation type：Oral presentation (general)  

Venue：なみきスクエア  

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Presentation type：Poster presentation  

Venue：同志社大学  

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Venue：Fukuoka   Country：Japan  

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Venue：Fukuoka   Country：Japan  

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Presentation type：Poster presentation  

Venue：久留米シティプラザ  

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Presentation type：Poster presentation  

Venue：久留米シティプラザ  

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Presentation type：Oral presentation (general)  

Venue：伊豆長岡温泉いづみ荘  

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Presentation type：Oral presentation (general)  

Venue：金沢大学  

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Presentation type：Oral presentation (general)  

Venue：東北大学  

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Presentation type：Oral presentation (general)  

Venue：東北大学  

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Presentation type：Poster presentation  

Venue：立命館大学  

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Presentation type：Poster presentation  

Venue：立命館大学  

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Venue：東京大学  

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Venue：久留米シティプラザ  

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Venue：生理学研究所  

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Presentation type：Public lecture, seminar, tutorial, course, or other speech  

Venue：九州大学  

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Venue：Yokohama   Country：Japan  

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Presentation type：Oral presentation (general)  

Venue：九州大学  

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Presentation type：Poster presentation  

Venue：西南学院大学  

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Presentation type：Oral presentation (general)  

Venue：東北大学  

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Presentation type：Poster presentation  

Venue：西南学院大学  

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Presentation type：Poster presentation  

Venue：東亜大学  

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Presentation type：Poster presentation  

Venue：パシフィコ横浜 神奈川県  

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Presentation type：Oral presentation (general)  

Venue：日本大学  

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Presentation type：Poster presentation  

Venue：東京女子大学  

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Presentation type：Poster presentation  

Venue：広島大学  

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Presentation type：Poster presentation  

Venue：広島大学  

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Presentation type：Oral presentation (general)  

Venue：京都工芸繊維大学  

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Presentation type：Oral presentation (general)  

Venue：京都工芸繊維大学  

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Presentation type：Symposium, workshop panel (nominated)  

Venue：九州大学  

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Venue：Milan   Country：Italy  

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Presentation type：Poster presentation  

Venue：大阪樟蔭女子大学  

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Presentation type：Poster presentation  

Venue：東京大学  

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Presentation type：Oral presentation (general)  

Venue：大阪樟蔭女子大学  

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Presentation type：Poster presentation  

Venue：工学院大学  

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Presentation type：Oral presentation (general)  

Venue：九州大学  

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Presentation type：Public lecture, seminar, tutorial, course, or other speech  

Venue：山口大学時間学研究所  

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Venue：Taipei   Country：Taiwan, Province of China  

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Venue：京都女子大学  

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Presentation type：Public lecture, seminar, tutorial, course, or other speech  

Venue：立正大学  

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Venue：宇都宮大学  

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Venue：同志社大学  

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Presentation type：Poster presentation  

Venue：首都大学東京  

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Presentation type：Poster presentation  

Venue：宮崎公立大学  

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Presentation type：Poster presentation  

Venue：首都大学東京  

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Presentation type：Poster presentation  

Venue：宮崎公立大学  

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Presentation type：Poster presentation  

Venue：仙台国際センター  

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Venue：志賀島  

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Presentation type：Oral presentation (general)  

Venue：福岡工業大学 FITセミナーハウス  

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Presentation type：Poster presentation  

Venue：仙台国際センター  

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Venue：Takamatsu   Country：Japan  

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Venue：Bremen   Country：Germany  

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Venue：大正大学  

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Presentation type：Poster presentation  

Venue：金沢市文化ホール  

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Venue：金沢市文化ホール  

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Presentation type：Poster presentation  

Venue：九州大学  

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Presentation type：Poster presentation  

Venue：札幌コンベンションセンター  

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Presentation type：Poster presentation  

Venue：工学院大学  

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Presentation type：Oral presentation (general)  

Venue：山口大学時間学研究所  

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Venue：Tokyo   Country：Japan  

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Presentation type：Poster presentation  

Venue：九州大学  

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Presentation type：Oral presentation (general)  

Venue：九州大学  

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Venue：Chuncheon   Country：Korea, Republic of  

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Venue：Sapporo   Country：Japan  

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Presentation type：Oral presentation (general)  

Venue：九州大学  

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Presentation type：Poster presentation  

Venue：九州大学  

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Venue：Kagawa   Country：Japan  

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Presentation type：Poster presentation  

Venue：関西学院大学  

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Presentation type：Oral presentation (general)  

Venue：北九州  

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