Effect of zotepine, olanzapine and risperidone on hostility in schizophrenic patients.
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Male subjects were provoked or not provoked, exposed to photographs of (a) nonerotica, (b) nude females, or (c) couples engaged in sexual activities, and provided with an opportunity to express annoyance and to retaliate against their annoyer. Both annoyance and retaliatory behavior were measured. The excitatory potential, the involvement potential, and the hedonic valence of the nonerotic and erotic stimuli were also assessed. Provocation produced strong effects on all measures of annoyance and retaliatory behavior. In unprovoked subjects, erotica had no effect whatsoever on such behavior. Under conditions of provocation, reported annoyance in both erotica conditions was significantly less than in nonerotic condition. There was no corresponding differentiation in retaliatory behavior, however. The excitatory potential of the erotica employed, as measured in heart-rate and blood-pressure changes, proved to be minimal. No stimulus differences in involvement potential were found. The erotica were similarly pleasing. The nonerotica, in contrast, were conisdered boring. The findings are discussed in terms of various theoretical proposals concerning the relationship between erotica and aggression.
Low negative emotionality (NEM) holds a central place in classic descriptions and seminal theories of psychopathy. However, the empirical link between low NEM and psychopathy is weak. The authors posited that this inconsistency is due to the multifaceted nature of both the NEM and psychopathy constructs and to suppressor effects between facets of psychopathy in relation to NEM criteria. The authors sought to delineate the differential associations between facets of psychopathy and NEM in a large sample of male prisoners using the Psychopathy Checklist--Revised (PCL-R; R. D. Hare, 2003) and self-report measures assessing different aspects of NEM. Statistical analyses revealed that the interpersonal-affective facet of psychopathy is negatively associated whereas the social deviance facet of psychopathy is positively associated with facets of NEM. The results demonstrate that suppressor effects can reconcile the centrality of NEM in classic descriptions of psychopathy with empirical investigations using the PCL-R.
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