Cognitive effects of a single dose of atypical antipsychotics in healthy volunteers compared with placebo or haloperidol.

Abstract:

:Cognitive dysfunction in patients with schizophrenia is a strong correlate of poor outcome than any other symptom domain. To have greater knowledge about the effects of antipsychotics on cognitive function, subjects of this study were healthy volunteers who had no confounding variables typically found in patients with schizophrenia. The cognitive function of healthy volunteers in response to single doses of haloperidol, risperidone, aripiprazole, and amisulpride in a double-blind placebo-controlled trial was investigated. Assessments for the computerized neurocognitive test, mental and physical sedation, and extrapyramidal symptoms were performed within 1 week before (baseline) and approximately 4 hours after drug administration. Compared to the placebo, single administration of amisulpride at 400 mg in healthy volunteers enhanced word fluency test performance and remained intact after controlling for sedation and extrapyramidal symptoms. Significant improvement in some measurements of the computerized neurocognitive test was also observed in each antipsychotic-treated group but may have been related to practice effect. These findings suggest that amisulpride may have cognitive-enhancing effects in healthy volunteers.

journal_name

J Clin Psychopharmacol

authors

Chung YC,Park TW,Yang JC,Huang GB,Zhao T,Oh KY,Kim MG

doi

10.1097/JCP.0b013e318272d10c

subject

Has Abstract

pub_date

2012-12-01 00:00:00

pages

778-86

issue

6

eissn

0271-0749

issn

1533-712X

journal_volume

32

pub_type

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