ASPECTS OF ARTICULATORY FUNCTION--MOTOR SPEECH DISORDERS

当前提案的两个主要目标是：(A)了解 语音呼吸与语音清晰度的潜在关系 运动性言语障碍者，以及(B)制定统计数字 运动性语言障碍患者的发音可变性模型， 并用该模型解释了语音运动控制的基础 这些人口中的赤字。更具体地说，拟议的 研究的目的是(A)了解起始肺的改变如何 语音音量影响人的听觉和知觉测量 发音行为，(B)确定有运动语言的人 疾病能够学习对其起始肺的一致修改。 讲话量，以及(C)研究统计关系 的共振峰跃迁的光谱和时间特性 运动性语言障碍患者。要解决的试验计划 这些目的包括自然观察肺之间的协变。 音量变量和上述声学/感知测量， 单病例设计方法评价患者学习肺的能力 音量修改，以及语速是 故意改变的，目的是在 关节突起。当上述确定的特定目标实现时， 应该更好地理解促成这些因素的因素 患有神经系统疾病的人的沟通障碍，因此 更好地了解如何最好地处理赤字。

The two broad objectives of the current proposal are (a) to understand the potential relationship between speech breathing and articulation in persons with motor speech disorders, and (b) to develop a statistical model of articulatory variability in persons with motor speech disorders, and to use this model to explain the basis of speech motor control deficits in this population. More specifically, the aims of the proposed studies are (a) to understand how modifications in the starting lung volume for speech affect acoustical and perceptual measures of articulatory behavior, (b)to determine if persons with motor speech disorders are able to learn consistent modification of their starting lung volumes for speech, and (c) to study the statistical relationships between spectral and temporal properties of formant transitions produced by persons with motor speech disorders. The experimental plan to address these aims includes natural observation of the covariation between lung volume variables and the acoustical/perceptual measures mentioned above, single-case design methods to evaluate patients' ability to learn the lung volume modifications, and a paradigm in which speaking rate is intentionally varied for the purpose of inducing variability in articulatory processes. When the specific aims identified above are met, there should be a much better understanding of the factors contributing to communication deficits in persons with neurological disease, and hence a better notion of how best to treat the deficit.