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Titolo:
Self-monitoring in schizophrenia revisited
Autore:
Fourneret, P; Franck, N; Slachevsky, A; Jeannerod, M;
Indirizzi:
Inst Cognit Sci, CNRS, UMR 5015, F-69675 Bron, France Inst Cognit Sci Bron France F-69675 CNRS, UMR 5015, F-69675 Bron, France Hop Neurol, Serv Psychopathol Infantojuvenile, Lyon, France Hop Neurol Lyon France Serv Psychopathol Infantojuvenile, Lyon, France Univ Lyon 1, Ctr Hosp Le Vinatier, F-69365 Lyon, France Univ Lyon 1 LyonFrance F-69365 r Hosp Le Vinatier, F-69365 Lyon, France Univ Lyon 1, IFNL, EA 3092, F-69365 Lyon, France Univ Lyon 1 Lyon FranceF-69365 n 1, IFNL, EA 3092, F-69365 Lyon, France Hop La Pitie Salpetriere, INSERM, EPI 007, Paris, France Hop La Pitie Salpetriere Paris France e, INSERM, EPI 007, Paris, France
Titolo Testata:
NEUROREPORT
fascicolo: 6, volume: 12, anno: 2001,
pagine: 1203 - 1208
SICI:
0959-4965(20010508)12:6<1203:SISR>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
ERROR-CORRECTING BEHAVIOR; SYMPTOMS;
Keywords:
awareness of action; central monitoring; schizophrenia; sense of agency; visuo-motor conflict;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
29
Recensione:
Indirizzi per estratti:
Indirizzo: Fourneret, P Inst Cognit Sci, CNRS, UMR 5015, 67 Bd Pinel, F-69675 Bron, France Inst Cognit Sci 67 Bd Pinel Bron France F-69675 Bron, France
Citazione:
P. Fourneret et al., "Self-monitoring in schizophrenia revisited", NEUROREPORT, 12(6), 2001, pp. 1203-1208

Abstract

According to a widespread theory, the first-rank symptoms such as delusions of control or thought insertion met in schizophrenia result from a failure in predicting the consequences of an action on the basis of a forward model based of the intended motor commands (efference copy). This assumption of an impairment in the central monitoring of their own actions is inferred from experiments showing that it is more difficult for schizophrenic patients than for controls to correct erroneous movements in the absence of visual feedback. In our study, 19 schizophrenic patients (10 with Schneiderian symptoms and nine without) and 19 paired control subjects were subjected to a sensorimotor adjustment task to reassess this hypothesis. We show that the patients who succeeded the task not differently from the control subjectswere those who were aware of the manual correction (n = 9). Surprisingly, most of them presented Schneiderian symptoms. This suggests that the experience of alien control observed in certain schizophrenic patients cannot be directly related to an underlying cognitive deficit in the conscious monitoring of their own actions. NeuroReport 12: 1203-1208 (C) 2001 Lippincott Williams & Wilkins.

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Documento generato il 08/08/20 alle ore 09:17:03