Intellectual capacity measurement in schizophrenia.

Full Abstract

INTRODUCTION:
The measurement of the intellectual capacity (IC) in schizophrenic patients has been found to be of clinical relevance. A user-friendly tool such as the Cattell's intelligence test might facilitate this measurement in daily clinical practice.

METHOD:
In this study, we measured the intelligence quotient (IQ) using Cattell's test in 35 schizophrenic patients before and after treatment with risperidone.

RESULTS:
At baseline, the sample showed an average intelligence of 78.3 points (standard deviation [SD]:
14.3), in the low-medium range. After 1 year on risperidone, the IQ significantly improved (mean:
84.8;

SD:
17.0; p = 0.028). This IQ elevation was positively correlated with the improvement in the psychotic symptoms rated with the PANSS.

CONCLUSIONS:
Cattell's intelligence test could be a valid instrument to measure cognitive performance in schizophrenic patients. Antipsychotic therapy with risperidone could be effective to improve cognitive functioning in these subjects.

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Author information

Author/s: Chamorro, L (L); de Felipe, M V (MV); Soler, M M (MM); Olivares, D (D); Huertas, D (D);

Affiliation: Psychiatry Department, Universidad de Alcalá, Madrid, Spain. lchamorro(-atsign-)sescam.org

Journal and publication information

Publication Type: Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't

Journal: Actas españolas de psiquiatría (Actas Esp Psiquiatr), published in Spain. (Language: eng)

Reference: -2008 Jan-Feb; vol 36 (issue 1) : pp 33-8

Dates: Created 2008/02/20; Completed 2008/05/30; Revised 2008/10/28;

PMID: 18286398, status: MEDLINE (last retrieval date: 11/9/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

Comments and Corrections

CommentIn: Actas Esp Psiquiatr. 2008 Jul-Aug;36(4):244-5; author reply 245-6. (PMID: 18780424)

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adolescent
Adult
Aged
Cognition Disorders - diagnosis; epidemiology
Female
Humans
Intelligence

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