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声学和语音处理在患有失言症的个体中受损

Jill Kries¹, Pieter De Clercq², Robin Lemmens^3,4,5

¹Experimental Oto-Rhino-Laryngology, Department of Neurosciences, Leuven Brain Institute, KU Leuven, Leuven, Belgium. jill.kries@kuleuven.be.

Scientific reports

|July 11, 2023

概括

失言症患者在处理语音声音和声学线索 (如上升时间) 中表现出缺陷. 这些低层次的处理障碍影响了76%的失言症患者,影响了语言理解.

科学领域:

神经科学是一个神经科学.
语言学的语言学.
语音语言病理学语音语言病理学

背景情况:

失言症会影响不同层次的语言处理.
声学和语音处理对于语音理解至关重要,但在失言症中未得到充分研究.
语音外和频谱-时间变化是处理的关键声学特征.

研究的目的:

为了研究起时间处理和语音识别在患有失语症的个体.
为了确定低水平的声学和语音处理障碍在失言症中的患病率.
检查低级处理和高级语言函数之间的关系.

主要方法:

在29名阿法西亚患者和23名健康对照者之间,对提高时间处理和语音识别任务的性能进行了比较.
对听力水平和认知功能进行控制.
利用个人偏差分析来识别处理障碍.

主要成果:

失语症患者在声学和语音任务上表现明显差于对照人群.
在76%的阿法西亚组中发现了低级声学或语音处理障碍.
提高时间处理能力预测了阿法西亚患者的语音处理性能.

结论:

低水平的声学和语音处理缺陷在失言症中很常见.
这些障碍显著影响了阿法西亚患者的语言处理.
诊断和治疗工具应该针对这些基本的处理机制.

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