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Titolo:
Converging evidence for a cognitive anomaly in early psychopathology
Autore:
Fernandes, LOL; Keller, J; Giese-Davis, JE; Hicks, BD; Klein, DN; Miller, GA;
Indirizzi:
Univ Illinois, Dept Psychiat, Champaign, IL 61820 USA Univ Illinois Champaign IL USA 61820 pt Psychiat, Champaign, IL 61820 USA Univ Illinois, Dept Psychol, Champaign, IL 61820 USA Univ Illinois Champaign IL USA 61820 ept Psychol, Champaign, IL 61820 USA Stanford Univ, Dept Psychiat, Stanford, CA 94305 USA Stanford Univ Stanford CA USA 94305 Dept Psychiat, Stanford, CA 94305 USA SUNY Stony Brook, Dept Psychol, Stony Brook, NY 11794 USA SUNY Stony Brook Stony Brook NY USA 11794 chol, Stony Brook, NY 11794 USA
Titolo Testata:
PSYCHOPHYSIOLOGY
fascicolo: 4, volume: 36, anno: 1999,
pagine: 511 - 521
SICI:
0048-5772(199907)36:4<511:CEFACA>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
EVENT-RELATED POTENTIALS; HIGH-RISK PROJECT; MISMATCH NEGATIVITY; PERCEPTUAL ABERRATION; PSYCHOSIS PRONENESS; PHYSICAL ANHEDONIA; SOCIAL ANHEDONIA; N1 WAVE; SCHIZOPHRENIA; PERSONALITY;
Keywords:
anhedonia; perceptual aberration; dysthymia; cyclothymia; ERP; mismatch negativity;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
81
Recensione:
Indirizzi per estratti:
Indirizzo: Miller, GA Univ Illinois, Dept Psychiat, 603 E Daniel St, Champaign, IL 61820 USA Univ Illinois 603 E Daniel St Champaign IL USA 61820 61820 USA
Citazione:
L.O.L. Fernandes et al., "Converging evidence for a cognitive anomaly in early psychopathology", PSYCHOPHYSL, 36(4), 1999, pp. 511-521

Abstract

Subcomponents of the N200 component of the event-related brain potential believed to be differentially sensitive to involuntary and voluntary cognitive processes were examined. Nonpatients (N = 131) identified initially by the Chapman and Depue research scales and classified later on the basis of diagnostic symptom clusters and family psychiatric history provided converging evidence for an intact mismatch negativity subcomponent. In contrast, the N2b subcomponent distinguished several groups of subjects. Results suggested abnormal voluntary cognitive processing, perhaps reflecting compensatory efforts in subjects at risk for or manifesting psychopathology, particularly those showing negative symptoms.

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Documento generato il 27/01/20 alle ore 17:00:16