[Spasmodic laughter caused by unilateral involvement of the brain stem].

Rev Neurol (Paris)

Service de Neurologie, Centre Hospitalier, Saint-Germain-en-Laye.

Published: March 1995

We report a case of spasmodical laughter due to a strictly unilateral lesion located in the pons and the caudal part of the mesencephalon. Pathophysiology of this particular symptom is reviewed.

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