在成年人中探索目标词的激活,这些成年人自语,有或没有意识的说话意图:ERP证据证据
1University of South Florida, Department of Communication Sciences & Disorders, United States.
Journal of communication disorders
|November 28, 2024
概括
吃的成年人 (AWS) 在准备命名图片时,与典型流利的成年人 (TFA) 相比,表现出不同的单词激活模式. 词汇访问的这种差异可能会影响语音运动控制.
科学领域:
- 神经科学是一个神经科学.
- 心理语言学 心理语言学
- 语音科学 语言科学
背景情况:
- 调查口吃成年人 (AWS) 和典型流利成年人 (TFA) 之间的单词激活差异.
- 探索意识意图在语音准备中的作用.
研究的目的:
- 为了确定在图片命名过程中,AWS和TFA之间的目标词激活是否不同.
- 检查意识意图如何影响这种激活过程.
主要方法:
- 参与者用听觉探针完成了图片命名和概念判断任务.
- 记录了与事件相关的潜力 (ERP),特别是N400组件.
- 分析了N400原始化效应的幅度,延迟和头皮地形.
主要成果:
- 在小组和任务中都观察到N400初始化.
- 在图片命名过程中,在TFA和AWS之间发现了N400初始化头皮地形的显著差异.
- 在概念判断任务中没有发现任何显著差异.
结论:
- 不同的N400地形表明在AWS和TFA中存在不同的意图驱动的词汇访问.
- 讨论了AWS中词汇选择和语音运动控制的潜在影响.
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