Anhedonia and schizophrenia

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Abstract
The authors administered semi-structured interviews to 187 psychiatric inpatients to determine the role of anhedonia in schizophrenia. The interviews were taperecorded and then given blind ratings for anhedonia on a 7-point scale. Schizophrenic patients had significantly more anhedonia than nonschizophrenics, although many of the latter group had anhedonic tendencies. Most of the difference between the groups resulted from high anhedonia scores for chronic schizophrenics; less anhedonia was found in the acute schizophrenic patients. The data indicate that anhedonia is not necessary or unique to schizophrenia but is a prominent factor in chronic schizophrenia.

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