腭肌阵挛(PM)是一种每分钟发作40～250次的软腭重复节律性收缩的病变,可伴面肌、咽喉、膈肌或肢体的协同运动,常由脑干损害累及中枢被盖部传导束或小脑齿状核-橄榄核纤维引起。病理发现下橄榄核有假性肥大增生。作者报道1例由皮层损害引起的 PM。 Palate myoclonus (PM) is a 40 to 250 episodes per minute soft palate repeated rhythmic contraction of the disease, with facial muscles, pharynx, diaphragm or limb synergistic movement, often involving the brain stem damage by the cover Conducting bundle or cerebellar dentate core - caused by olive nuclear fiber. Pathological findings of the olive nucleus pseudohyphal hyperplasia. The authors reported 1 case of PM caused by cortical damage.