How face blurring affects body language processing of static gestures in women and men

Social Cognitive and Affective Neuroscience
Alice Mado ProverbioVeronica Gabaro

Abstract

The role of facial coding in body language comprehension was investigated by event-related potential recordings in 31 participants viewing 800 photographs of gestures (iconic, deictic and emblematic), which could be congruent or incongruent with their caption. Facial information was obscured by blurring in half of the stimuli. The task consisted of evaluating picture/caption congruence. Quicker response times were observed in women than in men to congruent stimuli, and a cost for incongruent vs congruent stimuli was found only in men. Face obscuration did not affect accuracy in women as reflected by omission percentages, nor reduced their cognitive potentials, thus suggesting a better comprehension of face deprived pantomimes. N170 response (modulated by congruity and face presence) peaked later in men than in women. Late positivity was much larger for congruent stimuli in the female brain, regardless of face blurring. Face presence specifically activated the right superior temporal and fusiform gyri, cingulate cortex and insula, according to source reconstruction. These regions have been reported to be insufficiently activated in face-avoiding individuals with social deficits. Overall, the results corroborate the hypothesis th...Continue Reading

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Citations

Sep 29, 2019·Journal of Cognitive Neuroscience·Yuta KatsumiSanda Dolcos
Sep 10, 2020·Social Cognitive and Affective Neuroscience·Pablo Rodríguez-GómezEva M Moreno
Nov 10, 2020·Journal of Clinical and Experimental Neuropsychology·Patrizia ThomaBoris Suchan
Feb 3, 2021·Social Cognitive and Affective Neuroscience·Pablo Rodríguez-GómezEva M Moreno

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