Proneness to psychosis and selection of objects of visual attention: individual differences in visual marking |
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Authors: | Oliver J Mason Helen Booth Christian Olivers |
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Institution: | a Department of Clinical and Health Psychology, University College London, Gower Street, London WC1N 6BT, UK;b School of Psychology, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK |
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Abstract: | Deficits in early visual attention and perceptual organisation have frequently been shown to associate with both poor pre-morbid schizophrenia and those at a greater putative risk of psychosis. The nature of the deficit is unclear. The present study investigated the relationship between speed of visual marking and proneness to psychosis. 20 males and 20 females completed several tasks assessing speed of selection and de-selection of visual objects. As predicted, negative schizotypy was associated with poorer marking in males, but socially desirable responding potentially confounded this result. In addition, impulsive non-conformity swas associated with poorer visual marking, more prominently in females. These results are discussed in relation to possible mechanisms by which psychosis-proneness and impulsivity may restrict the top–down influences operating on early visual attention. |
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Keywords: | Psychosis-proneness Impulsivity Visual attention |
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