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Department of Cognitive Science

Cognitive Science Alumni

Viviana Wuthrich

Viviana Wuthrich

Thesis Details

Schizotypy: Heading towards schizophrenia.

This focused on schizotypy and potential markers of schizophrenia and included research into the Construct of schizotypy and Perceptual and Cognitive Markers. Firstly, in regard to the construct of schizotypy I examined whether schizotypy could be explained using normal measures of personality (specifically the NEO PI-R). Secondly, I tested the factor structure of the Schizotypal Personality Questionnaire (SPQ: Raine, 1991) using confirmatory factor analysis and found that simple modifications to the current three-factor structure were needed to produce a well fitting model in a large undergraduate sample. I also tested the factor structure of a model that combined the SPQ and Chapman Schizotypy scales. I also developed and validated the use of paper and computer Likert versions of the SPQ. I also examined potential markers of schizotypy in undergraduate and schizophrenic patients. In the first study I examined smooth pursuit and antisaccade abnormalities in students and related these to scores on the SPQ and the Chapman schizotypy scales. In the second study, I compared performance of students and patients with schizophrenia on a contour detection task, and related this performance to SPQ scores. Finally, I also examined cognitive performance in students and patients with schizophrenia and related this to SPQ scores.

  • Type: PhD
  • Scholarship : APA
  • Supervisors : Dr Tim Bates (internal), Professor Max Coltheart (associate, internal) and Dr Charles Blaha (associate, internal).

Further Information


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