Prodromal symptoms in manic depressive psychosis

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Abstract
Twenty patients suffering from manic depressive psychosis were interviewed about the prodromes to both manic and depressive episodes. These prodromal periods were compared with a recent control period during which the patient was in remission. It was possible for 85% of patients to identify a depressive prodrome and 75% a manic prodrome. Prodromal periods were characterised by a significant increase in the number and magnitude of symptoms compared with those present during remission. The mean duration of manic prodromes was slightly longer than that of depressive prodromes (28.9 days and 18.8 days respectively). The majority of patients could identify a time sequence to the retainment of insight during their prodromes and could also identify idiosyncratic symptoms.