Schizophrenia as a Disorder of Cognition and Affect
Three key points were derived from the scholarly experimental literature on the psychology of schizophrenia. First, with respect to functional deficits in schizophrenia, impairments in elementary neurocognition, social information processing skills, and dysfunctional beliefs are extremely common at all stages of the disorder and are linked quite closely with a variety of dimensions of functional outcome. Second, there is some evidence that a bias in jumping-to-conclusions is associated with the formation of delusions and that sensitivity to threat-related information in the environment, coupled with poor theory of mind skills and attributional biases, may lead to the formation and persistence of paranoid delusions. Third, three key conceptual models of the psychology of the disorder are described that have aimed to reduce the wide range of symptomatology and cognitive deficits in schizophrenia to either a single, or a few, core cognitive mechanisms.
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