自我节奏改善了听声编码话语时的回忆缺陷:一个耳植入器模拟
Thomas A Hansen1, Ryan M O'Leary1, Mario A Svirsky2
1Department of Psychology, Brandeis University, Waltham, MA, United States.
Frontiers in psychology
|December 6, 2023
概括
了解退化的语音,比如来自耳植入物的语音,是具有挑战性的. 语言上下文和演示速度显著提高了听众对口语演讲的回忆力.
科学领域:
- 听觉神经科学 听觉神经科学
- 语音感知 语音感知
- 认知心理学 认知心理学
背景情况:
- 说话理解是复杂的,更困难的是语音退化,例如耳植入物 (CI) 用户所经历的.
- 语言上下文和呈现速度可能会减轻理解退化语音的挑战.
研究的目的:
- 研究语言上下文 (词间可预测性) 和演示速度 (自我节奏) 如何影响退化语音的回忆.
- 检查语义层次效应作为在模拟CI听力条件下的话语理解指标.
主要方法:
- 听力正常的年轻人听取了用清晰语音或噪声带声编码语音 (模拟CI声音) 呈现的话语段落.
- 段落在单词间的可预测性上有所不同,并且可以连续传递或以自我节奏的格式传递.
主要成果:
- 清晰的演讲产生了更好的回忆力,而不是语音编码的演讲.
- 更高的单词间可预测性和自我节奏的交付改善了回忆.
- 较低的可预测性减弱了语义层次效应,表明对主要思想的理解能力降低.
结论:
- 单词间的可预测性和呈现率是CI用户对话语理解的关键因素.
- 结果表明,扩大CI结果措施超出单词和句子回忆范围,包括话语级处理.
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