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Neurological soft signs in individuals with schizotypal personality features
Raymond C K Chan1, Ya Wang, Qing Zhao
1Neuropsychology and Applied Cognitive Neuroscience Laboratory, and Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, 4A Datun Road, Beijing, China. rckchan@psych.ac.cn
Objective:
The current study attempted to examine the prevalence of neurological soft signs and their relationships with schizotypal traits in individuals with psychometrically defined schizotypal personality disorder (SPD) features.
Method:
Sixty-four individuals with SPD-proneness and 51 without SPD-proneness were recruited for the present study. The soft signs subscales of the Cambridge Neurological Inventory were administered to all participants; the Schizotypal Personality Questionnaire (SPQ) was administered to SPD-proneness and non-SPD-proneness participants.
Results:
The SPD-proneness participants demonstrated significantly higher prevalence of soft signs than those without SPD-proneness. SPQ subscales were significantly associated with ratings of motor coordination, sensory integration and total soft signs.
Conclusion:
These findings suggest that neurological soft signs are trait markers of schizophrenia.
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