分裂的注意力对言语传感运动控制有有限的影响
Jenna Krakauer1, Chris Naber2, Caroline A Niziolek1,2
1Department of Communication Sciences and Disorders, University of Wisconsin-Madison.
Journal of speech, language, and hearing research : JSLHR
|October 17, 2024
概括
分断的注意力对发音产生语音运动控制的影响最小,这表明个体差异源于语音系统,而不是认知因素. 这一发现有助于理解语音变异性,并完善实验方法.
科学领域:
- 语音运动控制器的控制器
- 听觉视觉语言感知 听觉视觉语言感知
- 人类的感官运动适应.
背景情况:
- 扬声器调整语音的生产,以抵消听力干扰 (补偿) 和随后的试验 (适应).
- 这些反应的个体变化往往归因于听力敏度,但注意力的作用未被充分探索.
研究的目的:
- 为了研究分化注意力在语音生产过程中对感觉运动控制的影响.
- 为了确定像注意力这样的认知因素是否影响补偿和适应母音形成扰动.
主要方法:
- 健康的说话者在实时中经历了元音形成者的听觉扰乱.
- 参与者在注意力分裂 (视觉分心) 和单任务条件下完成任务.
- 测量了在线补偿和试验对试验的适应性.
主要成果:
- 分断的注意力稍微延迟了在线补偿 (>300毫秒后的元音发作),超过了典型的元音持续时间.
- 没有观察到分散注意力对语音适应的显著影响.
- 这些发现表明,语言中的感官反在很大程度上是自动的.
结论:
- 典型生产的语音运动控制是自动的,并不会受到视觉注意力分裂的显著影响.
- 对形成干扰的反应的变化很可能起源于语音生产系统.
- 未来的研究应该在300毫秒内测量补偿,以避免注意力混.
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