Paranoid schizophrenia literature review

Methamphetamine is a potent psychostimulant that can induce psychosis among recreational and chronic users, with some users developing a persistent psychotic syndrome that shows similarities to schizophrenia. This review provides a comprehensive critique of research that has directly compared schizophrenia with acute and chronic METH psychosis, with particular focus on psychiatric and neurocognitive symptomatology. We conclude that while there is considerable overlap in the behavioral and cognitive symptoms between METH psychosis and schizophrenia, there appears to be some evidence that suggests there are divergent aspects to each condition, particularly with acute METH psychosis. Schizophrenia appears to be associated with pronounced thought disorder, negative symptoms more generally and cognitive deficits mediated by the parietal cortex, such as difficulties with selective visual attention, while visual and tactile hallucinations appear to be more prevalent in acute METH-induced psychosis. As such, acute METH psychosis may represent a distinct psychotic disorder to schizophrenia and could be clinically distinguished from a primary psychotic disorder based on the aforementioned behavioral and cognitive sequelae. Preliminary evidence, on the other hand, suggests that chronic METH psychosis may be clinically similar to that of primary psychotic disorders, particularly with respect to positive and cognitive symptomatology, although negative symptoms appear to be more pronounced in schizophrenia.
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Perceived discrimination and psychosis: a systematic review of the literature

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Perceived discrimination and psychosis: a systematic review of the literature | SpringerLink

There are also important differences, including the prominence of mood features, which is required for the diagnosis of schizoaffective disorder, but not for the diagnosis of schizophrenia. It is important to distinguish between the two because the prognoses are different, and treatment for the mood disorder symptoms is necessary for schizoaffective disorder, but might not be necessary for schizophrenia. In both schizoaffective disorder and schizophrenia, hallucinations and delusions tend to occur. False sensory perceptions e. False beliefs e. Additionally, with both of these disorders, the person who has the illness lacks insight into perceptual problems and false beliefs. Often there may be a family history of the disease.
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The book A Beautiful Mind, by Sylvia Nasar - Literature review Example

Schizophrenia is a chronic psychiatric disorder characterized by phases. The most noticeable phase involves active, acute symptoms. Each phase is defined by certain symptoms, with a range in the severity of symptoms during each phase. Phases of schizophrenia are:. When someone is experiencing an acute schizophrenic episode, active psychotic symptoms can be frightening.
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Schizophrenia is a psychiatric diagnosis characterized by continuous or relapsing episodes of psychosis. Besides observed behavior, doctors will also take a history that includes the person's reported experiences, and reports of others familiar with the person, when making a diagnosis. About 0. About half of those diagnosed with schizophrenia will have a significant improvement over the long term with no further relapses, and a small proportion of these will recover completely. The mainstay of treatment is antipsychotic medication, along with counselling , job training, and social rehabilitation.
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