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- W2083167029 abstract "Current understanding of the etiology of neurodevelopmental disorders is limited; however, recent epidemiological studies demonstrate a strong correlation between prenatal infection during pregnancy and the development of schizophrenia in adult offspring. In particular, schizophrenia patients subjected to prenatal infection exhibit impairments in executive functions greater than schizophrenia patients not exposed to an infection while in utero. Acute prenatal treatment of rodents with the viral mimetic polyinosinic-polycytidylic acid (PolyI:C) induces behavioural and neuropathological alterations in the adult offspring similar to schizophrenia. However, impairments on tasks of executive function that involve the prefrontal cortex (PFC) have been rarely examined for the prenatal infection model. Hence, we investigated the effects of acute prenatal injection of PolyI:C (4.0 mg/kg, i.v., gestational day 15) on strategy set-shifting and reversal learning in an operant-based task. Our results show male, but not female, PolyI:C-treated adult offspring require more trials to reach criterion and perseverate during set-shifting. An opposite pattern was seen on the reversal day where the PolyI:C-treated male rats made fewer regressive errors. Females took more pre-training days and were slower to respond during the trials when compared to males regardless of prenatal treatment. The present findings validate the utility of the prenatal infection model for examining alterations of executive function, one of the most prominent cognitive symptoms of schizophrenia." @default.
- W2083167029 created "2016-06-24" @default.
- W2083167029 creator A5042973046 @default.
- W2083167029 creator A5055659803 @default.
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- W2083167029 date "2012-03-01" @default.
- W2083167029 modified "2023-10-09" @default.
- W2083167029 title "Prenatal exposure to a viral mimetic alters behavioural flexibility in male, but not female, rats" @default.
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- W2083167029 doi "https://doi.org/10.1016/j.neuropharm.2011.02.022" @default.
- W2083167029 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/4457519" @default.
- W2083167029 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/21376064" @default.
- W2083167029 hasPublicationYear "2012" @default.
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