34 Citations (Scopus)


Background: We previously developed a novel method of identifying children aged 9-12 years who may be at elevated risk of developing schizophrenia and the spectrum disorders because they present a triad of putative antecedents of schizophrenia (ASz). The present study aimed to determine whether ASz children also present neurocognitive deficits that are commonly observed in patients with schizophrenia. Methods: Twenty-eight ASz children and 28 typically-developing (TD) children without the antecedents of schizophrenia completed a battery of neurocognitive tests assessing seven domains of function: General intelligence, scholastic achievement, verbal memory, visual memory, working memory, executive function (EF)-verbal fluency, and EF-inhibition. Results: Relative to TD children, the ASz group showed poorer performance on all neurocognitive tests (mean Cohen's d effect size = 0.52). In linear regression analyses, group status (ASz vs. TD) significantly predicted scores on the general intelligence, verbal memory, working memory, and EF-inhibition domains (p
Original languageEnglish
Pages (from-to)15 - 23
Number of pages9
JournalSchizophrenia Research
Issue number1-3
Publication statusPublished - Aug 2010


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