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  • Title: Theory-of-mind understanding and theory-of-mind use in unaffected first-degree relatives of schizophrenia and bipolar disorder.
    Author: Wang YG, Roberts DL, Liang Y, Shi JF, Wang K.
    Journal: Psychiatry Res; 2015 Dec 15; 230(2):735-7. PubMed ID: 26522824.
    Abstract:
    We assessed theory of mind (ToM) in unaffected first-degree relatives (FDR) of patients with schizophrenia (SC) and bipolar disorder (BD) compared to healthy controls with a revised computerized referential communication task. Results showed that FDR of SC performed worse than FDR of BD and controls on a task requiring ToM-use, but not on a task requiring ToM-understanding. This indicates that deficient ToM-use, rather than ToM-understanding impairments, may represent a potential candidate endophenotype for schizophrenia.
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