话语与西方口音障碍之间的关系 非洲裔美国人口音障碍的表现
Hanna K Ulatowska1, Gloria Streit Olness1, Robert T Wertz2
1University of Texas at Dallas, USA.
Aphasiology
|August 29, 2025
概括
这项研究发现, 标准化的语言障碍测试不能完全捕捉非裔美国人的语言能力. 较少结构化的任务更好地评估了这一群体的沟通和民族方言.
科学领域:
- 神经学
- 语言学
- 语音病理学
背景情况:
- 非洲裔美国人的中风发病率更高,
- 区分种族方言与与失语相关的沟通变化至关重要.
- 现有研究表明,语音失语与标准化测试表现之间存在不清楚的联系.
研究的目的:
- 为了检查标准化语言测试成绩与非裔美国人的语音表现之间的关系.
- 分析这一群体在叙事作品中使用的民族方言和话语特征.
主要方法:
- 调查了12名非洲裔美国成年人中度失言症 (西方失言症电池,失言症指数[WAB-AQ]分数).
- 通过传说重述,图片序列故事,单一图片故事和个人叙述收集数据.
- 分析了话语质量 (连贯性,参考性,使用性),数量 (命题) 和民族方言/话语特征的存在.
主要成果:
- 在图片序列和单一图片任务中发现了WAB-AQ与语音质量的显著相关性.
- WAB-AQ与整体一致性,参考和就业等级有显著的关系.
- 没有发现WAB-AQ与演讲数量之间的显著相关性;演讲质量和数量没有显著相关性.
- 民族特征最常见的是单一图片和个人叙事任务; 没有出现在寓言重述中.
结论:
- 标准化的语音障碍评估应补充言论评估,特别是使用个人叙述等较少结构化的任务.
- 较少结构化的任务可能会更好地引起自然的民族沟通模式.
- 这些发现有助于为不同人群开发言论评估工具, 补充标准化测试.
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