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Title: Association between Personality and Neurocognitive dysfunctions in Schizotypy clusters
Authors: ONG MIN YEE
Keywords: Schizotypy, Schizophrenia, Neurocognition, Personality traits, Cluster analysis, Asians
Issue Date: 10-Aug-2011
Citation: ONG MIN YEE (2011-08-10). Association between Personality and Neurocognitive dysfunctions in Schizotypy clusters. ScholarBank@NUS Repository.
Abstract: The present study examines the associations between schizotypal personality clusters, neurocognitive deficits and non-schizotypal personality traits in healthy English speaking Singaporeans. Aim of this study is to understand the complex relations within and between individual schizotypal clusters and identify potential neurocognitive endophenotypes and non-schizotypal personality traits that may indicate enhanced risk of schizophrenia. Participants were assessed by the Schizotypal Personality Questionnaire (SPQ), cognitive functions through the Brief Assessment of Cognition in Schizophrenia (BACS), and non-schizotypal personality traits by the State-Trait Personality Inventory (STPI). A two-way clustering analysis was performed, three schizotypal clusters (Low, High Positive and High Positive/Negative) and three new SPQ factors (Referential Thinking, Anxiety, and Social Interaction Deficit) were found. High schizotypal individuals were found to perform poorer on almost all neurocognitive measures and different non-schizotypal personality traits were found to predict different schizotypal clusters. The results showed that different profiles of schizotypal features contribute to the heterogeneity of neurocognitive functioning, emotional states and personality traits.
Appears in Collections:Master's Theses (Open)

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