在语音障碍期间的认知努力的时间过程
Andrew Burleson1, Pamela Souza1
1Hearing Aid Laboratory, Northwestern University, Department of Communication Sciences and Disorders Evanston, IL, USA.
Quarterly journal of experimental psychology (2006)
|January 22, 2025
概括
理解语言,即使是困难的,也需要大量的认知努力. 这项研究使用瞳孔扩张来测量中断语音中的倾听力度,揭示了噪音或沉默中断期间的认知负载增加.
科学领域:
- 听觉感知是一种听觉感知.
- 认知心理学 认知心理学
- 语音处理 语音处理
背景情况:
- 在杂或受干扰的环境中,语音感知具有挑战性.
- 听众经常花费额外的认知努力来理解退化的语言.
- 瞳孔膨胀是认知努力的生理标记.
研究的目的:
- 为了测量语音听力期间的认知力度,在语音听力中断.
- 为了研究语音中断后持续的处理需求.
- 了解瞳孔扩张在评估听力努力中的作用.
主要方法:
- 参与者听到有无声或噪音中断的句子.
- 在听力和保留间隔期间监测瞳孔反应.
- 认知力度通过瞳孔膨胀水平来量化.
主要成果:
- 无论是静音还是噪音中断,与不间断的讲话相比,都会增加瞳孔膨胀.
- 噪音中断在句子结束时引起了较大的瞳孔扩张.
- 增加的扩张在判决后持续存在,这表明持续的认知需求.
结论:
- 语音中断显著增加了听力,可以通过瞳孔膨胀来衡量.
- 即使在中断结束后,也需要持续的认知努力.
- 瞳孔膨胀是评估听力障碍患者倾听力度的宝贵工具.
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