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感知适应障碍性言语是通过并发声学处理进行调节的:双重任务研究
Patti Adank1, Han Wang2,3, Taylor Hepworth4
1Department of Speech, Hearing and Phonetic Sciences, University College London, London, United Kingdom.
The Journal of the Acoustical Society of America
|March 10, 2025
概括
对失节性语言的感知适应甚至发生在注意力分裂的情况下. 这表明,适应语音障碍是一种自动的认知过程,在很大程度上不受注意力负荷的影响.
科学领域:
- 认知科学 认知科学
- 听觉感知是一种听觉感知.
- 语音处理 语音处理
背景情况:
- 听众可以适应受损的语音信号,如噪声编码语音,即使在注意力分裂的情况下.
- 以前的研究表明,适应人工语音退化在不同类型的双重任务中是强大的.
研究的目的:
- 调查是否感知适应自然主义语音变异,失节性语音,发生在注意力分裂下.
- 检查特定的注意力过程 (声学,词汇,视觉运动) 在适应脱节性言语中的作用.
主要方法:
- 一个复制研究,使用一个在线主体间实验与192名参与者.
- 采用了四种条件:仅使用语音 (控制) 和涉及声学,词汇或视觉运动过程的双重任务.
- 参与者在执行指定的任务时听取了40个关节障碍的句子.
主要成果:
- 在早期试验中,在声学双重任务条件下观察到最初的适应抑制和较差的理解能力.
- 在40项试验中,在四种条件之间没有发现适应率的显著差异.
- 总的来说,语音理解在语音条件下较低,而不是仅在语音,词汇和视觉运动条件下.
结论:
- 对失关节性语言的感知适应可以在注意力分裂的情况下有效地发生.
- 语音适应似乎是一个很大程度上自动的认知过程,即使在认知负载下也能够发挥作用.
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