Abstract：
:Body postures convey emotion and motion-related information useful in social interactions. Early visual encoding of body postures, reflected by the N190 component, is modulated both by motion (i.e., postures implying motion elicit greater N190 amplitudes than static postures) and by emotion-related content (i.e., fearful postures elicit the largest N190 amplitude). At a later stage, there is a fear-related increase in attention, reflected by an early posterior negativity (EPN) (Borhani et al., 2015). Here, we tested whether difficulties in emotional processing (i.e., alexithymia) affect early and late visual processing of body postures. Low alexithymic participants showed emotional modulation of the N190, with fearful postures specifically enhancing N190 amplitude. In contrast, high alexithymic participants showed no emotional modulation of the N190. Both groups showed preserved encoding of the motion content. At a later stage, a fear-related modulation of the EPN was found for both groups, suggesting that selective attention to salient stimuli is the same in both low and high alexithymia.
journal_name
Biol Psycholjournal_title
Biological psychologyauthors
Borhani K,Borgomaneri S,Làdavas E,Bertini Cdoi
10.1016/j.biopsycho.2015.12.010subject
Has Abstractpub_date
2016-03-01 00:00:00pages
1-8eissn
0301-0511issn
1873-6246pii
S0301-0511(15)30103-4journal_volume
115pub_type
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