SPEECH DEFICITS IN ISCHEMIC CEREBELLAR LESIONS
SPEECH DEFICITS IN ISCHEMIC CEREBELLAR LESIONS
复制标题
DOI：
10.1007/bf00839144
复制
发表时间：
1992-04-01
影响因子：
6
通讯作者：
POREMBA, M
中科院分区：
文献类型：
--
作者：
ACKERMANN, H;VOGEL, M;POREMBA, M
12例小脑梗塞患者，其中8例位于小脑后下动脉供血区，4例位于小脑上动脉供血区，接受了正式的感觉检查，以确定是否有言语障碍。就地形图而言，研究结果首先强调了小脑上部额旁区域对语音功能的重要性。在所有关节功能障碍的患者中，病变延伸到这个区域，而PICA梗死患者保留了小脑上部，没有表现出语言障碍。其次，这些发现并不能证实完全左侧小脑语言运动控制的概念，因为4名关节功能障碍受试者中有3名患有单侧右侧脑缺血。这项研究再次证明，小脑皮质损伤而不累及齿状核可导致关节功能障碍。语音分析显示，发音障碍和语速减慢是最常见的构音障碍特征。
Twelve patients with cerebellar infarction, 8 in the region supplied by the posterior inferior cerebellar artery (PICA) and 4 in the territory of the superior cerebellar artery, underwent formal perceptual examination for speech deficits. With respect to topography the results firstly underline the significance of the paravermal region of the superior cerebellar portion for speech functions. In all patients with dysarthric impairment the lesion extended to this area, whereas patients with PICA infarction sparing the superior portion of the cerebellum showed no speech deficits. Secondly the findings do not corroborate the notion of an exclusively left-sided cerebellar speech motor control, since 3 of the 4 dysarthric subjects had unilateral right-sided ischaemia. This study thirdly demonstrates that lesions of the cerebellar cortex without involvement of the dentate nucleus can cause dysarthric impairment. Phonetic analysis revealed irregularly distributed articulatory deficits and slowed speech tempo as the most common dysarthric features.