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Thirty-Third Annual Meeting of the Society for Research in Psychopathology

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100. Prediction of Perceptual Aberration by Self-Reported Aberrant Salience in a Non-Clinical, Urban Sample

The self-disorder hypothesis of schizophrenia posits that aberrations in a pre-reflective level of self-hood may underlie the perceptual and cognitive disturbances that arise in the prodrome. Disturbed corporeality [i.e., anomalous bodily experience (ABE)] is one component of basic self-disturbance. Aberrant salience (i.e., unusual appointment of significance to innocuous stimuli) has been identified as a neurocognitive correlate of basic self-disturbance. This study examined whether a self-report measure of aberrant salience (ASI) would significantly predict scores on the perceptual aberration scale (PAS) (capturing body-image aberrations). Prediction of perceptual aberration via aberrant salience was compared to that via total schizotypy (SPQ). Aberrant salience was expected to significantly predict perceptual aberration and to be a stronger predictor of perceptual aberration compared to schizotypy. Study aims were investigated as a part of an ongoing investigation (data collection in progress) examining ABEs (also assessed via the Pinocchio Illusion). Participants (N = 111; 34M/77F) were undergraduates sampled from a racially diverse, urban population (82% non-white). Preliminary regression analyses indicated SPQ and ASI scores each significantly predicted PAS scores. Aberrant salience was not a stronger predictor of perceptual aberration compared to schizotypy, though explained a significant amount of variance in perceptual aberration beyond total schizotypy. Implications are discussed.

Keywords: schizotypy, aberrant salience, perceptual aberration, self-disturbance, schizophrenia

Victoria Martin
The Graduate Center, CUNY

Deborah Walder
The Graduate Center, CUNY

 


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