Palatal myoclonus is a fast spasm (contraction) of the muscles in the roof of the mouth.
Palatal myoclonus is usually due to damage (lesions) on brain nerve pathways. Conditions that may lead to palatal myoclonus include multiple sclerosis.
Jankovic J. Movement disorders. In: Daroff RB, Fenichel GM, Jankovic J, eds. Bradley's Neurology in Clinical Practice. 6th ed. Philadelphia, PA: Elsevier Saunders; 2012:chap 71.
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