All of the patients appeared involuntary choreic,dystonic or ballistic movements always induced by sudden movements, lasting for several seconds without loss of consciousness.
All of the patients appeared involuntary choreic,dystonic or ballistic movements always induced by sudden movements, lasting for several seconds without loss of consciousness.
患者发病年龄为~ 0岁,均以突然运动诱发,表现为肢体的不能控制的肌张力障碍、舞蹈、投掷样动作等,每次发作约持续几秒到十几秒,持续时间最长不超过min,平均每天发作数次,不伴意识障碍。