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Schizophr Res. 2006 Jun;84(2-3):359-64. Epub 2006 Apr 24.

When a schizophrenic deficit becomes a reasoning advantage.

Author information

1
UMR 6194, CNRS, CEA, Université de Caen and Université Paris-Descartes (Paris-5), France. mellet@cyceron.fr

Abstract

A deficit in context processing has been proposed to be one of the major deficiencies in schizophrenia. A demanding reasoning task, known to promote a very reproducible bias (i.e., a reasoning error) in healthy subjects, triggered by a misleading context, was administered in 26 schizophrenic patients and 26 healthy participants. Responses at random were checked by including an additional group of 11 schizophrenic patients who performed a control version of the task. We showed that patients presented a surprising imperviousness to the reasoning bias and had significantly better logical performances than their paired healthy participants. This finding demonstrates that there are some problem solving situations where disregarding contextual information, a cognitive deficit that usually impairs schizophrenic patients gives them a cognitive advantage over healthy controls.

PMID:
16632331
DOI:
10.1016/j.schres.2006.03.024
[Indexed for MEDLINE]

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