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Compr Psychiatry. 2005 Jan-Feb;46(1):50-5.

The contribution of temperament and character to schizotypy multidimensionality.

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Università degli Studi de L'Aquila, Dipartimento di Medicina Sperimentale, 67100 L'Aquila, Italy.


Schizotypy could be viewed either as an underlying "personality organization" that includes the "liability" to schizophrenia, i.e., as a hypothetical latent construct, or it could be referred to the phenotypic manifestations of a particular personality organization. The psychobiologic model of the structure of personality accounts for dimensions of both temperament and character. This study examined the covariances between Temperament and Character Inventory (TCI) scores and aspects of Schizotypal Personality Questionnaire (SPQ) scores in a nonclinical sample. The results showed the relationship between the number of schizotypal phenotypic traits, as quantified by SPQ measures, and a specific configuration of character, namely, high self-transcendence (ST), low self-directedness (SD), and low cooperativeness (C). Data suggested that the unique combination of high ST, low SD, and low C seems to lead to a special risk for schizotypy. In particular, ST is a predictor either of psychosis proneness or mature, effective adapted and self-satisfied personalities, depending on its interaction with other TCI dimensions, both temperament and character.

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