分析1例经CT证实涉及左额叶内侧面运动辅区的脑梗塞的言语障碍。病人在急性期缄默不语,而对言语的理解尚好。起病第26天,口语的表达能力突然得到相当程度的恢复。作者认为,上言语中枢损害后出现的这类言语障碍,是有别于Broca失语等的一类特殊失语,命名为丧动力性失语。 Analysis of 1 case of speech impairment confirmed by CT in cerebral infarction involving the medial side of the left frontal lobe. The patient is silent during the acute phase and the speech is understood well. On the 26th day of onset, the ability to express spoken language suddenly recovered to a considerable extent. The author thinks that this type of speech disorder that occurs after the damage of the speech center is a special type of aphasia that is different from Broca aphasia and is named as aphasia.