讲普通话的帕金森病患者的对比性压力:任务效应在生产和保存知觉方面
1Department of Communicative Sciences and Disorders, New York University, United States.
Journal of neurolinguistics
|December 17, 2025
概括
患有帕金森病 (PD) 的个体在普通话中难以产生对比的压力,这是一个音色语言. 然而,他们感知这种压力的能力仍然完好无损,突出了生产感知差异.
科学领域:
- 语言学的语言学.
- 神经学 神经学
- 语音语言病理学 语言病理学
背景情况:
- 帕金森病 (PD) 常常会损害语音表达,影响诸如音调,节奏和大声等方面.
- 大多数关于PD语音修辞的研究都集中在非音调语言上,在理解音调语言说话者方面留下了差距.
- 汉语是一种音调语言,它在词汇意义和情感信息上都使用了音调,使得prosodic压力至关重要.
研究的目的:
- 调查帕金森病的普通话说者对比压力的产生和感知.
- 为了比较患有PD的个体在产生和感知对比压力的表现和健康对照.
- 探索不同语音任务 (诱导与重复) 对PD对比压力的产生的影响.
主要方法:
- 实验1:通过诱导和重复任务,评估PD患者和健康对照者的对比性压力产生,并对准确度进行听众评分.
- 实验2:评估了PD患者和健康对照者在普通话发言中对对比压力的感知.
主要成果:
- 与健康对照组相比,患有PD的个体在两个任务中表现出明显较差的对比压力的产生.
- 在生产任务中的表现在重复条件下比在诱导条件下对两组都更好.
- 患有PD的个体和健康的对照人群在感知健康说话者产生的对比压力方面表现出类似的准确性.
结论:
- 在患有帕金森病的普通话人士中,对比性压力的语音产生受损.
- 在患有帕金森病的普通话人士中,对比性压力的感知是保留的,尽管生产赤字.
- 研究结果表明,PD患者的言语表达和感知能力之间存在分离,特别是在语音语言的背景下.
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