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Cogn Neuropsychiatry. 2020 May;25(3):215-230. doi: 10.1080/13546805.2020.1734552. Epub 2020 Feb 26.

Self-Monitoring for speech and its links to age, cognitive effort, schizotypal trait expression and impulsivity during adolescence.

Author information

1
Research Department of Clinical, Educational and Health Psychology, University College London, London, UK.
2
Developmental Clinical Psychology Unit, Faculty of Psychology, University of Geneva, Switzerland Geneva, Switzerland.
3
Department of Psychiatry, Developmental Imaging and Psychopathology Lab, Office Medico-Pédagogique, University of Geneva 1 rue David-Dufour Geneva, Switzerland.

Abstract

Introduction: Disruptions in self-monitoring processes represent key cognitive factors associated with schizophrenia spectrum disorders. In the current study, we assessed the effects of age and cognitive effort on self-monitoring for speech in adolescence, as well as its associations with personality dimensions pertaining to schizotypy and impulsivity.Methods: 121 community adolescents undertook a self-monitoring task that assesses the capacity to discriminate between self-generated overt and silent speech, for items requiring different levels of cognitive effort. Self-report measures were used to assess trait dimensions of schizotypy and impulsivity.Results: Cognitive effort, but not age, contributed to the overall rate of self-monitoring errors. Contrary to clinical psychosis and high risk samples, increased cognitive effort in healthy adolescents led to more internalising than externalising self-monitoring errors. Higher scores on the interpersonal dimension of schizotypy were associated with increases in the total rate of self-monitoring errors. No associations were found between positive schizotypy and externalising self-monitoring misattributions. Finally, trait impulsivity dimensions were not associated with self-monitoring performance.Conclusions: The present findings suggest that self-monitoring confusions may be linked to trait-risk for psychosis in adolescence. Future studies can prospectively assess whether the association between negative schizotypal traits and self-monitoring represents a distal marker of psychosis vulnerability.

KEYWORDS:

Source monitoring; personality; psychosis risk; schizophrenia; schizotypy

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