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An objective and reliable electrophysiological marker for implicit trustworthiness perception

Swe, Derek C. and Palermo, Romina and Gwinn, Scott O. and Rhodes, Gill and Neumann, Markus and Payart, Shanele and Sutherland, Clare A.M. (2020) An objective and reliable electrophysiological marker for implicit trustworthiness perception. Social Cognitive and Affective Neuroscience, 15 (3), pp. 337-346. Oxford University Press. doi: 10.1093/scan/nsaa043. ISSN 1749-5016.

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Official URL: https://academic.oup.com/scan/article/15/3/337/5817956


Trustworthiness is assumed to be processed implicitly from faces, despite the fact that the overwhelming majority of research has only involved explicit trustworthiness judgements. To answer the question whether or not trustworthiness processing can be implicit, we apply an electroencephalography fast periodic visual stimulation (FPVS) paradigm, where electrophysiological cortical activity is triggered in synchrony with facial trustworthiness cues, without explicit judgements. Face images were presented at 6 Hz, with facial trustworthiness varying at 1 Hz. Significant responses at 1 Hz were observed, indicating that differences in the trustworthiness of the faces were reflected in the neural signature. These responses were significantly reduced for inverted faces, suggesting that the results are associated with higher order face processing. The neural responses were reliable, and correlated with explicit trustworthiness judgements, suggesting that the technique is capable of picking up on stable individual differences in trustworthiness processing. By demonstrating neural activity associated with implicit trustworthiness judgements, our results contribute to resolving a key theoretical debate. Moreover, our data show that FPVS is a valuable tool to examine face processing at the individual level, with potential application in pre-verbal and clinical populations who struggle with verbalization, understanding or memory.

Item URL in elib:https://elib.dlr.de/137585/
Document Type:Article
Title:An objective and reliable electrophysiological marker for implicit trustworthiness perception
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Swe, Derek C.University of Western AustraliaUNSPECIFIED
Palermo, RominaUniversity of Western AustraliaUNSPECIFIED
Gwinn, Scott O.Flinders UniversityUNSPECIFIED
Rhodes, GillUniversity of Western AustraliaUNSPECIFIED
Payart, ShaneleUniversity of Western AustraliaUNSPECIFIED
Sutherland, Clare A.M.University of AberdeenUNSPECIFIED
Journal or Publication Title:Social Cognitive and Affective Neuroscience
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In ISI Web of Science:Yes
Page Range:pp. 337-346
Publisher:Oxford University Press
Keywords:EEG; SSVEP; fast periodic visual stimulation; implicit perception; trustworthiness impressions
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Research under Space Conditions
DLR - Research theme (Project):R - Vorhaben Weltraumpsychologie (old)
Location: Hamburg
Institutes and Institutions:Institute of Aerospace Medicine > Aviation and Space Psychology
Deposited By: Neumann, Markus
Deposited On:25 Nov 2020 17:14
Last Modified:26 Nov 2020 09:32

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