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Proprioception in Schizophrenia

 

作者: DONALD,   LEVENTHAL JOHN,   SCHUCK J.,   CLEMONS MICHAEL,  

 

期刊: The Journal of Nervous and Mental Disease  (OVID Available online 1982)
卷期: Volume 170, issue 1  

页码: 21-26

 

ISSN:0022-3018

 

年代: 1982

 

出版商: OVID

 

数据来源: OVID

 

摘要:

B. Ritzier (J. Abnorm. Psychol.,86: 501–504, 1977) failed to replicate previous weight- lifting studies showing a proprioceptive deficit in schizophrenics. However, Ritzier did not use the same standard weights that the previous studies employed. Could this difference in procedure have caused his failure to replicate? Two experiments were completed to provide additional information about this question and related issues. In Experiment I, chronic hospitalized schizophrenics and normals were tested with light and heavy weights. Rosenbaum's original modified method of limits and the method of constant stimuli were utilized. Both methods provided comparable results, which, like Ritzler's data, failed to show a differential impairment in the discrimination of the light weights for paranoid schizophrenics. In Experiment II, outpatient paranoid schizophrenics, outpatient nonparanoid schizophrenics, outpatient psychiatric patients, and aged normals were evaluated utilizing the same psychophysical procedure and standard weights employed in the original studies. No differential impairment was found for the light weights for any group. These results provide strong support for Ritzler's position that a proprioceptive deficit is not unique to schizophrenia.

 



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