Journal
BRAIN RESEARCH
Volume 1070, Issue 1, Pages 242-245Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.brainres.2005.11.047
Keywords
neuroleptic; neurogenesis; cognition; schizophrenia; adult brain
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The present study examines the effect of chronic treatment with two atypical neuroleptics, commonly used to treat schizophrenia. Adult rats were given either risperidone or olanzapine in their drinking water for 21 days. Memory was assessed on the first and last day of treatment using an object discrimination test, and the rate of cell proliferation in the subventricular zone (SVZ), dentate gyrus (DG) and prefrontal cortex (PFC) was quantified by immuno staining for Ki-67. The results show that both risperidone and olanzapine significantly improved performance in object discrimination after 21 days, and additionally, olanzapine significantly increased cell proliferation in the SVZ and PFC but not the DG. (c) 2005 Elsevier B.V. All rights reserved.
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