非母语听众对中断语音的视听感知
Jing Yang1, Naveen K Nagaraj2, Beula M Magimairaj2
1Program of Communication Sciences and Disorders, University of Wisconsin-Milwaukee, Enderis Hall 873, P.O. Box 413, Milwaukee, WI, 53201, USA. jyang888@uwm.edu.
Attention, perception & psychophysics
|June 17, 2024
概括
视觉线索显著改善非母语英语听众的语音感知,特别是当上下文有限时. 词汇量和工作记忆对于理解中断语音至关重要.
科学领域:
- 心理语言学 心理语言学
- 听觉感知是一种听觉感知.
- 获得第二语言的学习.
背景情况:
- 非母语英语的听众经常在杂的环境中与语音感知斗争.
- 视听信息可以帮助语音理解,但其对非母语人士的有效性需要进一步研究.
- 众所周知,工作记忆和词汇知识等认知因素会影响语言处理.
研究的目的:
- 研究视觉线索对普通话英语学习者中断语音的视听感知的影响.
- 在这个过程中确定工作记忆,长期记忆检索和词汇知识的作用.
- 探索语义上语境如何影响视觉线索的好处.
主要方法:
- 31名普通话英语学习者完成了句子识别任务,用充满噪音,定期中断的句子在视听和仅视听条件下呈现.
- 参与者还进行了语义流性,口头 (操作跨度) 和视觉空间 (对称跨度) 工作记忆和词汇知识的评估.
- 刺激包括AzBio和QuickSIN的句子,有和没有男性演讲者的视觉线索.
主要成果:
- 语音识别在视听条件下明显好于仅视听条件.
- 视觉线索的好处减少了有限的语义上下文的句子.
- 更大的英语词汇量与更好的语音信息恢复和视听集成有关.
- 语言工作记忆能力对视听集成很重要,特别是在具有挑战性的低背景刺激方面.
结论:
- 视觉线索增强了非母语英语听众的中断语音感知.
- 词汇量和口头工作记忆是支持非母语人士视听语言感知的关键认知因素.
- 视觉线索的有效性是由语音信号的语义丰富度调节的.
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