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AN EVALUATION OF MANIC-DEPRESSIVE PSYCHOSIS IN THE LIGHT OF FOLLOW-UP STUDIES

Published Online:https://doi.org/10.1176/ajp.97.4.831

Many cases which were originally diagnosed as manic-depressives were subsequently reclassified as schizophrenia.

Review of New York State and Federal statistics for other states show:

(a) Marked fluctuation in the number of manic-depressives as compared with dementia præcox and in relation to total admissions.

A complete reversal of the general trend in some states.

Special case studies reveal that errors in diagnosis result from the failure to apply the established criteria of symptomatology.

A need for periodic reconsideration of diagnosis is indicated.

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