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Titolo:
Brain potentials in affective picture processing: covariation with autonomic arousal and affective report
Autore:
Cuthbert, BN; Schupp, HT; Bradley, MM; Birbaumer, N; Lang, PJ;
Indirizzi:
Univ Florida, NIMH, Ctr Study Emot & Attent, Gainesville, FL 32610 USA Univ Florida Gainesville FL USA 32610 & Attent, Gainesville, FL 32610 USA
Titolo Testata:
BIOLOGICAL PSYCHOLOGY
fascicolo: 2, volume: 52, anno: 2000,
pagine: 95 - 111
SICI:
0301-0511(200003)52:2<95:BPIAPP>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Soggetto:
STARTLE REFLEX; EMOTION; STIMULI; REFLECTIONS; ATTENTION; ATTITUDES; COMPONENT; RESOURCES; RESPONSES; CONTEXT;
Keywords:
emotion; attention; arousal; event-related potentials; slow potentials;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
46
Recensione:
Indirizzi per estratti:
Indirizzo: Lang, PJ Univ Florida, NIMH, Ctr Study Emot & Attent, Box 100165 HSC, Gainesville, FL 32610 USA Univ Florida Box 100165 HSC Gainesville FL USA 32610 FL 32610 USA
Citazione:
B.N. Cuthbert et al., "Brain potentials in affective picture processing: covariation with autonomic arousal and affective report", BIOL PSYCH, 52(2), 2000, pp. 95-111

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 approximate to 1 s after picture onset, and was sustained for most of a 6-s picturepresentation 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. (C) 2000 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 20/01/20 alle ore 04:40:41