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BACKGROUND Previous work suggests that reaction time variability (RTV) in attentional tasks, as a measure of cognitive stability, is associated with degree of Val loading in COMT Val(158)Met genotype, and that this association may be relevant for the aetiology of schizophrenia. This study examined (i) to what degree RTV pertaining to tasks of varying(More)
OBJECTIVES Psychotic patients with COMT(Val158Met) Met alleles were recently found to display more intense psychotic and affective responses to daily life stressors. We aimed to test the hypothesis that the Met allele is implicated in the development of affective and psychotic symptomatology in subjects genetically at risk for schizophrenia, by testing if(More)
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