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Emotion lateralization in a graduated emotional chimeric face task: An online study

Smekal, V.; Burt, D.M.; Kentridge, R.W.; Hausmann, M.

Emotion lateralization in a graduated emotional chimeric face task: An online study Thumbnail


Authors

V. Smekal



Abstract

Objective: To resolve inconsistencies in the literature regarding the dominance of the right cerebral hemisphere (RH) in emotional face perception, specifically investigating the role of the intensity of emotional expressions, different emotions, and conscious perception. Method: The study used an online version of the well-established emotional chimeric face task (ECFT) in which participants judged which side of a chimeric face stimulus was more emotional. We tested the laterality bias in the ECFT across six basic emotions and experimentally modified the intensity of the emotional facial expression from neutral to fully emotional expressions, in incremental steps of 20%. Results: The results showed an overall left hemiface bias across all emotions, supporting the RH hypothesis of emotional lateralization. However, the left hemiface bias decreased with decreasing intensity of the emotional facial expression. Conclusions: The results provide further support for the RH hypothesis and suggest that the RH dominance in emotional face perception may be affected by task difficulty and visual perception strategy.

Citation

Smekal, V., Burt, D., Kentridge, R., & Hausmann, M. (2022). Emotion lateralization in a graduated emotional chimeric face task: An online study. Neuropsychology, 36(5), 443-455. https://doi.org/10.1037/neu0000804

Journal Article Type Article
Acceptance Date Feb 7, 2022
Online Publication Date Apr 7, 2022
Publication Date 2022-07
Deposit Date Feb 9, 2022
Publicly Available Date Jul 1, 2022
Journal Neuropsychology
Print ISSN 0894-4105
Electronic ISSN 1931-1559
Publisher American Psychological Association
Peer Reviewed Peer Reviewed
Volume 36
Issue 5
Pages 443-455
DOI https://doi.org/10.1037/neu0000804
Publisher URL https://psycnet.apa.org/doi/10.1037/neu0000804

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Copyright Statement
© American Psychological Association, 2022. This paper is not the copy of record and may not exactly replicate the authoritative document published in the APA journal. The final article is available, upon publication, at: https://psycnet.apa.org/doi/10.1037/neu0000804





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