Schizotypy and the loss of hand dominance (CROSBI ID 518327)
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Podaci o odgovornosti
Dragović, Milan ; Hammond, Geoff ; Jablensky, Assen
engleski
Schizotypy and the loss of hand dominance
Based on a critical literature review, this study re-examines the claim that mixed-handedness might be a presumed neurodevelopmental marker of both schizophrenia and schizotypy. Handedness was assessed with a standardized handedness questionnaire and schizotypy with the SPQ in a large community sample, in a “ highly healthy” sample, in siblings of schizophrenia, and in patients with schizophrenia. The results did not show a specific relationship between mixed-handedness and features of schizotypy. Only the cognitive-disorganization factor of the SPQ was related to a higher incidence of mixed-handedness, significantly in patients with schizophrenia and as a statistical trend in siblings of patients with schizophrenia. These findings add to the inconsistent observations on reduced laterality along the schizophrenia spectrum, supporting previous notions “ Re-examining handedness in schizophrenia: now you see it-now you don't” (Nelson et al., 1993).
schizotypy; personality traits; handedness; mixed-handedness; laterality
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Podaci o prilogu
2003.
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objavljeno
Podaci o matičnoj publikaciji
Podaci o skupu
School of Psychiatry and Clinical Neuroscience Symposium
predavanje
01.01.2003-01.01.2003
Perth, Australija