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People with High Schizotypy Experience More Illusions in the Pattern Glare Test: Consistent with the Hyperexcitability Hypothesis
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  • Wendy Torrens,
  • Jenna Pablo,
  • Jorja Shires,
  • Sarah Haigh,
  • Marian Berryhill
Wendy Torrens
University of Nevada Reno

Corresponding Author:[email protected]

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Jenna Pablo
University of Nevada Reno
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Jorja Shires
University of Nevada Reno
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Sarah Haigh
University of Nevada Reno
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Marian Berryhill
University of Nevada Reno
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Abstract

Individuals diagnosed with schizophrenia spectrum disorders (SSD) exhibit a constellation of sensory and perceptual impairments, including hyporeactivity to external input. However, individuals with SSD also report subjective experiences of sensory flooding, suggesting sensory hyperexcitability. To identify the extent to which behavioral indices of hyperexcitability are related to non-psychotic symptoms of schizophrenia, we tested a non-clinical population measured for schizophrenia-like traits (schizotypy), and a behavioral measure of sensory hyperexcitability, specifically the number of illusions seen in the Pattern Glare Test. Two samples totaling 913 individuals completed an online version of the Schizotypal Personality Questionnaire – Brief Revised (SPQ-BR) and the Pattern Glare Test. Individuals with higher schizotypy traits reported more illusions in the Pattern Glare Test. Additionally, one of the three SPQ-BR factors, the disorganized factor, significantly predicted the number of illusions reported. These data illustrate the potential for research in non-clinical samples to inform clinically relevant research.
09 Nov 2022Submitted to European Journal of Neuroscience
10 Nov 2022Submission Checks Completed
10 Nov 2022Assigned to Editor
10 Nov 2022Review(s) Completed, Editorial Evaluation Pending
10 Nov 2022Reviewer(s) Assigned
30 Nov 2022Editorial Decision: Accept