We studied, by means of video-polygraphic techniques, the clinical and polygraphic features of 7 cataplectic attacks in a patient with narcolepsy. Clinically, the cataplectic attacks were characterized by progressively increasing losses of the postural tone of cranial and limb muscles, that corresponded, in the polygraphic tracing, to a pattern of rhythmic suppression and enhancement of EMG activity. These findings suggests that the cataplectic fit occurs through a complex modulation, with inhibitory and excitatory phenomena, of the postural control system.

A video-polygraphic study of the cataplectic attack | [Studio video-poligrafico della caduta cataplettica] / G., Rubboli; G., D'Orsi; A., Zaniboni; E., Gardella; M., Zamagni; Meletti, Stefano; R., Rizzi; C., Tassinari. - In: BOLLETTINO-LEGA ITALIANA CONTRO L'EPILESSIA. - ISSN 0394-560X. - STAMPA. - 102-103(1998), pp. 339-341.

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