ArticlePloS one2025
Attentional biases, as measured by motion-induced blindness, are linked to schizophrenia traits.
Article in PloS one, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Typically, people demonstrate a small attentional bias towards the left visual field. This bias has not consistently been observed in schizophrenia. Schizophrenia has been thought to be linked to a top visual field bias, due to an impaired dorsal stream found in those individuals. Here we assessed left/right and upper/lower spatial biases measuring perceptual disappearances in a motion-induced blindness (MIB) task and link those to schizophrenia traits. The sample were consisted of first year psychology students (N = 54; 22 males, 31 females, and 1 prefer not to say; age 18-54 years; median age = 23). Schizophrenia traits were measured using the schizotypal personality questionnaire (SPQ) and perceptual aberration scale (PAS). We found that higher SPQ scores correlated with a top field bias. Higher interpersonal scores (an SPQ subscore) linked to a right field, and so did PAS (p = .007). Higher cognitive-perceptual scores linked to a left field bias. Taken together, this study supports a complex relation between spatial attention and schizophrenia traits in MIB, in which a top field bias may reflect an impaired dorsal stream. A possible implication of these findings is that MIB may serve as a potential tool for screening early schizophrenia traits.
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