在嘴唇上读音作为一种认知资源,以理解噪音中的语音
Elena Gessa1, Chiara Valzolgher2, Elena Giovanelli2
1Center for Mind/Brain Sciences- CIMeC, University of Trento, Rovereto, Italy. elena.gessa@unitn.it.
Experimental brain research
|May 31, 2025
概括
由认知负载和动机驱动的倾听努力,加剧了语音阅读行为. 动机在很大程度上影响了个人如何调整他们的策略,以改善在具有挑战性的听力条件下语音理解.
科学领域:
- 听觉神经科学 听觉神经科学
- 认知心理学 认知心理学
- 语音处理 语音处理
背景情况:
- 具有挑战性的声学环境增加了听力,影响了语音理解.
- 个人使用行为策略,如语音阅读,以减轻听力.
- 这些适应性行为背后的认知机制仍然不完全理解.
研究的目的:
- 研究认知需求和动机对语音阅读策略的影响.
- 为了确定听力努力是否调解了认知/动机因素和语音理解中的行为适应之间的关系.
- 探索潜在的认知机制驱动在困难的倾听情况下自发使用行为策略.
主要方法:
- 在噪音任务中进行视听语音识别,工作记忆负载变化 (认知需求).
- 动机操纵使用固定与与绩效相关的金钱奖励.
- 眼睛追踪以量化语音阅读行为和瞳孔扩张作为听力努力的生理测量.
主要成果:
- 增加的倾听力度与加强的语音阅读行为直接相关.
- 动机在提高认知需求下适应语音阅读策略方面发挥了关键作用.
- 结果证实了实验操纵对听力和认知负载的有效性.
结论:
- 倾听的努力,受认知需求和动机的影响,推动了语音阅读行为的采用.
- 动机是行为适应的关键因素,用于在具有挑战性的声学场景中理解语音.
- 这项研究强调了内部认知和动机状态与语音处理中可观察到的行为适应之间的联系.
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