Chapter 11.Negative Symptoms
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The need for treatment of the positive symptoms and the mood disturbances encountered in severe mental illness is quite obvious. The distress these problems cause and their impact on functioning contribute significantly to the impairment of quality of life that patients experience. What can be less obvious and less of a priority in the treatment of schizophrenia are the insidious effects of negative symptoms. These difficulties may concern caregivers to a greater extent than clinicians who are focusing on the more dramatic symptoms of psychotic illnesses. Yet in many studies of schizophrenia, negative symptoms have been shown to have greater deleterious effects than positive symptoms such as hallucinations and delusions (Provencher and Mueser 1997).
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