FUGUE STATES IN SLEEP AND WAKEFULNESS

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Abstract
In a patient with fugue states, psychophysiological parameters were studied in the sleep laboratory. Four sleeptalking episodes, which appeared to be fugues without locomotion, were recorded, identical in verbal content to some of the fungues with locomotion that occurred during the diurnal state. The episodes were temporally associated with predormescent and immediate post-rapid eye movement period (REMP) sleep. The case history and laboratory data are presented. An attempt is made to establish a psychophysiological link between fugue states and sleep-dream mechanisms. Differences between REMP and non-REMP mentation and their relationship to fugues were discussed.

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