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Media type:
E-Article
Title:
Self-Monitoring Dysfunction and the Positive Symptoms of Schizophrenia
Contributor:
Stirling, John D.;
Hellewell, Jonathan S.E.;
Ndlovu, David
Published:
S. Karger AG, 2001
Published in:
Psychopathology, 34 (2001) 4, Seite 198-202
Language:
English
DOI:
10.1159/000049307
ISSN:
0254-4962;
1423-033X
Origination:
Footnote:
Description:
Frith has proposed that symptoms of alien control in schizophrenia result from a defect in a metarepresentational process leading to a failure to properly monitor self-willed intentions and actions. To examine this hypothesis, a group of 40 schizophrenic patients, all meeting DSM-III-R criteria, and rated for current symptoms on the basis of a detailed clinical interview, were compared with 36 non-patient controls, using a battery of tests which included measures of self-monitoring, general cognitive function and attention. In comparison with controls, patients were impaired on two tests of self-monitoring. These differences were preserved when measures of current IQ, attention, and recognition memory were entered as covariates. Amongst patients, self-monitoring performance was related to the severity and extent of positive symptoms. These findings provide further experimental support for the proposal that positive symptoms of schizophrenia arise as a result of deficiencies in self-monitoring.