接受性词汇预测了多语言者在不利的听力条件下识别技能
Lexia Suite1, Galia Freiwirth1, Molly Babel1
1Department of Linguistics, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada.
The Journal of the Acoustical Society of America
|December 21, 2023
概括
双语者在杂的环境中更容易扎. 更大的词汇量和可预测的语言使用显著提高了听力表现,表明词汇,而不是双语本身,是克服听力挑战的关键.
科学领域:
- 听觉感知是一种听觉感知.
- 心理语言学 心理语言学
- 语音处理 语音处理
背景情况:
- 与单语者相比,不利的听力条件不成比例地影响双语者的语音可理解性.
- 了解双语听力挑战的潜在机制对于理论进步至关重要.
研究的目的:
- 为了比较词汇大小和语言作为不利的听力条件下表现的预测指标.
- 研究语言因素如何影响在具有挑战性的听觉环境下语音理解.
- 阐明两种语言在语音感知方面的缺点背后的机制.
主要方法:
- 一个句子转录任务与多种多语言的人群进行.
- 使用噪音,带宽变化和不同的语义可预测性来模拟不利的听力条件.
- 词汇大小和语言被分析为关键的预测变量.
主要成果:
- 听众的表现通过语义上连贯的句子,没有噪音和完整的音频频谱而得到改善.
- 较大的感受词汇和较低的语言 (更可预测的语言) 与在不利条件下更好的表现相关.
- 词汇大小表现出明显更大的效果大小比双语语言使用,突出其更大的影响.
结论:
- 双语者在不良听力方面的缺点可能源于较小的特定语言受体词汇.
- 在减轻听力挑战方面,词汇量比双语更为关键的因素.
- 这些发现为单语言和多语言个体的听力困难提供了统一的解释.
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