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Schizophrenia Bulletin Advance Access published online on February 17, 2009
Schizophrenia Bulletin, doi:10.1093/schbul/sbn174
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© The Author 2009. Published by Oxford University Press on behalf of the Maryland Psychiatric Research Center. All rights reserved. For permissions, please email: journals.permissions@oxfordjournals.org.

Neuropsychological Profile in Early-Onset Schizophrenia-Spectrum Disorders: Measured With the MATRICS Battery

Aina Holmén1,2, Monica Juuhl-Langseth3, Rune Thormodsen4, Ingrid Melle5,6 and Bjørn Rishovd Rund7,8
2 Department of Psychology, University of Oslo, Norway
3 Research Unit, Sogn, Ulleval University Hospital, Oslo
4 Asker and Baerum Hospital, Norway
5 Department of Psychiatry, Ulleval University Hospital
6 Department of Psychiatry, University of Oslo, Norway
7 Asker and Baerum Hospital
8 Department of Psychology, University of Oslo, Norway

1 To whom correspondence should be addressed; Department of Psychology, University of Oslo, PO Box 1094 Blindern, NO-0317 Oslo, Norway; tel: +47-98-66-45-01, fax: +47-22-84-50-01, e-mail: aina.holmen{at}psykologi.uio.no

Objective: Neurocognitive impairments have been documented in adolescents with early-onset schizophrenia (EOS). There is still inconsistency regarding an average profile, which could be due to the fact that each study uses different tests. The purpose of this study was to examine whether the "Measurement and Treatment Research to Improve Cognition in Schizophrenia" (MATRICS) battery is useful in detecting differences between the patient group and the healthy controls, and to describe the neuropsychological pattern in the EOS group. Method: Neuropsychological functioning was examined in 31 adolescents with schizophrenia spectrum disorders and 67 healthy controls, using the MATRICS battery. Results: There were significant differences between the patients and the controls on every domain except for social cognition. Patients showed a generalized neurocognitive deficit of 0.8–1.8 SDs compared with controls, with verbal learning, working memory, and visual learning being the most affected areas. Conclusions: The MATRICS battery is sensitive in detecting differences between patients and controls in the adolescent population. However, we question the use of Mayer-Salovey-Caruso Emotional Intelligence Test in this age group. Results document a significant generalized deficit in adolescents with EOS.

Keywords: neurocognition / psychosis / adolesecents


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