Abstract：
:Emotionally arousing picture stimuli evoked scalp-recorded event-related potentials. A late, slow positive voltage change was observed, which was significantly larger for affective than neutral stimuli. This positive shift began 200-300 ms after picture onset, reached its maximum amplitude approximately 1 s after picture onset, and was sustained for most of a 6-s picture presentation period. The positive increase was not related to local probability of content type, but was accentuated for pictures that prompted increased autonomic responses and reports of greater affective arousal (e.g. erotic or violent content). These results suggest that the late positive wave indicates a selective processing of emotional stimuli, reflecting the activation of motivational systems in the brain.
journal_name
Biol Psycholjournal_title
Biological psychologyauthors
Cuthbert BN,Schupp HT,Bradley MM,Birbaumer N,Lang PJdoi
10.1016/s0301-0511(99)00044-7keywords:
subject
Has Abstractpub_date
2000-03-01 00:00:00pages
95-111issue
2eissn
0301-0511issn
1873-6246pii
S0301-0511(99)00044-7journal_volume
52pub_type
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