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  • Title: Inhibition and facilitation in schizotypy.
    Author: Cimino M, Haywood M.
    Journal: J Clin Exp Neuropsychol; 2008 Feb; 30(2):187-98. PubMed ID: 18938670.
    Abstract:
    Participants scoring high and low on a schizotypy scale (n=18 in each group) switched between naming words and naming colors in a Stroop task in congruent, neutral, and incongruent conditions. The findings were that, while being slower and less accurate overall than low schizotypes, the high schizotypy group did not display disproportionately greater Stroop inhibition or facilitation, suggesting intact selective attention. However, the high schizotypy group suffered disproportionately larger switching costs. The results provide evidence for similarities between schizotypy and schizophrenia, specifically that the problem in schizotypy is to do with switching rather than selecting attention, because of a difficulty either in selecting task-relevant information or in inhibiting inappropriate response alternatives.
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