A high-density EEG investigation into the neurocognitive mechanisms underlying differences between personality profiles in social information processing

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Publikace nespadá pod Lékařskou fakultu, ale pod Středoevropský technologický institut. Oficiální stránka publikace je na webu muni.cz.

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CZEKÓOVÁ Kristína SHAW Daniel Joel LAMOŠ Martin HAVLICE ŠPILÁKOVÁ Beáta SALAZAR ADAMS Miguel ROMAN Robert BRÁZDIL Milan

Rok publikování 2022
Druh Článek v odborném periodiku
Časopis / Zdroj Scandinavian Journal of Psychology
Fakulta / Pracoviště MU

Středoevropský technologický institut

Citace
www https://onlinelibrary.wiley.com/doi/10.1111/sjop.12824
Doi http://dx.doi.org/10.1111/sjop.12824
Klíčová slova response inhibition; interference resolution; action withholding; social cognition; personality; action orientation
Popis This study investigated whether differences between personality styles in the processing of social stimuli reflect variability in underlying general-purpose or social-specific neurocognitive mechanisms. Sixty-five individuals classified previously into two distinct personality profiles underwent high-density electroencephalography whilst performing tasks that tap into both aspects of cognitive processing - namely, two distinct facets of general-purpose response inhibition (interference resolution and action withholding) during social information processing. To determine the stage of processing at which personality differences manifest, we assessed event-related components associated with the early visual discrimination of social stimuli (N170, N190) and later more general conflict-related processes (N2, P3). Although a performance index of interference resolution was comparable between the personality profiles, differences were detected in action withholding. Specifically, individuals expressing a wider repertoire of personality styles and more adaptive emotion regulation performed significantly better at withholding inappropriate actions to neutral faces presented in emotional contexts compared with those exhibiting stronger preferences for fewer and less adaptive personality styles and more ruminative affective tendencies. At the neurophysiological level, however, difference between the profiles was observed in brain responses elicited to the same stimuli within the N170. These results indicate that neural processes related to early visual discrimination might contribute to differences in the suppression of inappropriate responses towards social stimuli in populations with different personality dispositions.
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