Abstract:
:Recent event-related potential (ERP) studies revealed the selective processing of affective pictures. The present study explored whether the same phenomenon can be observed when pictures are presented only briefly. Toward this end, pleasant, neutral, and unpleasant pictures from the International Affective Pictures Series were presented for 120 ms while event related potentials were measured by dense sensor arrays. As observed for longer picture presentations, brief affective pictures were selectively processed. Specifically, pleasant and unpleasant pictures were associated with an early endogenous negative shift over temporo-occipital sensors compared to neutral images. In addition, affective pictures elicited enlarged late positive potentials over centro-parietal sensor sites relative to neutral images. These data suggest that a quick glimpse of emotionally relevant stimuli appears sufficient to tune the brain for selective perceptual processing.
journal_name
Psychophysiologyjournal_title
Psychophysiologyauthors
Schupp HT,Junghöfer M,Weike AI,Hamm AOdoi
10.1111/j.1469-8986.2004.00174.xsubject
Has Abstractpub_date
2004-05-01 00:00:00pages
441-9issue
3eissn
0048-5772issn
1540-5958pii
PSYP174journal_volume
41pub_type
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