电刺激右或左侧补充运动区(supplementarymotor area,SMA)时,可出现语言障碍。当有自主语言时,双侧 SMA 局部脑血流增加。灵长类动物的SMA 发出纤维投射到双侧纹状体和额叶。文献上报告SMA 梗塞后的严重语言障碍多限于左侧。本文报告1例右利手患者右侧大脑前动脉闭塞后出现的语言障碍。患者女性,77岁,有心脏瓣膜病伴慢性心房纤 Language disturbances can occur when electrically stimulating the right or left supplementary mothers area (SMA). When there is an autonomous language, bilateral cerebral blood flow increases in the SMA. Primate SMA emits fibers that project to both striatum and the frontal lobes. The literature reports that severe language disturbances after SMA infarction are mostly confined to the left. This article reports a speech disorder in one right hand occlusion of the right anterior cerebral artery in a patient. Female patient, 77 years old, with valvular heart disease with chronic atrial fibrillation