Kent R D, Kent J F, Rosenbek J C, Vorperian H K, Weismer G
Waisman Center, University of Wisconsin-Medison 53705-2280, USA.
Folia Phoniatr Logop. 1997;49(2):63-82. doi: 10.1159/000266440.
Cerebellar disease affects a number of skilled movements, including those in speech. Ataxic dysarthria, the speech disorder that typically accompanies cerebellar disease, was studied by acoustic methods. Control subjects and subjects with ataxic dysarthria were recorded while performing a number of speaking tasks, including sustained vowel phonation, syllable repetition, monosyllabic word production (intelligibility test), sentence recitation, and conversation. Acoustic data derived from the speech samples confirmed the hypothesis that temporal dysregulation is a primary component of the speech disorder. The data also show that the nature of the disorder varies with the speaking task. This result agrees with observations on other motor systems in subjects with cerebellar disease and may be evidence of a dissociation of impairments. Suggestions are offered on the selection of measures for a given task and on the role of the cerebellum in the regulation of speaking.
小脑疾病会影响多种熟练动作，包括言语动作。通过声学方法对共济失调性构音障碍（通常伴随小脑疾病出现的言语障碍）进行了研究。在控制组受试者和患有共济失调性构音障碍的受试者执行多项言语任务时进行了录音，这些任务包括持续元音发声、音节重复、单音节词产出（可懂度测试）、句子朗诵和对话。从语音样本中获取的声学数据证实了以下假设：时间失调是言语障碍的主要组成部分。数据还表明，该障碍的性质随言语任务而变化。这一结果与对患有小脑疾病的受试者其他运动系统的观察结果一致，可能是损伤分离的证据。针对给定任务的测量方法选择以及小脑在言语调节中的作用提出了建议。
