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语音动力学和外侧肌肉活动受到Stroop效应的影响

Zoe Kriegel¹, Adam M Fullenkamp², Jason A Whitfield³

¹Division of Communication Disorders, University of Wyoming, Laramie.

Journal of speech, language, and hearing research : JSLHR

|January 14, 2025

概括

来自Stroop任务的认知语言干扰增加了上唇肌肉活动,并改变了语音运动. 这表明,中央处理方面的挑战影响了外围语音运动控制.

科学领域:

认知神经科学是一种认知神经科学.
语音科学是一种语言科学.
语言学的语言学.

背景情况:

认知语言任务,如Stroop任务,用于研究执行功能和干扰.
语音动力学和肌肉激活提供了关于语音产生的运动控制的见解.

研究的目的:

调查Stroop任务和一个原始化的Stroop任务对语音动力学和外耳肌肉激活的影响.
了解认知语言干扰与运动言语控制之间的关系.

主要方法:

收集了30名健康年轻成年人的声学,运动和表面电动图数据.
利用选择响应,经典Stroop,并以一致和不一致的试验为原始Stroop任务.
标准化响应选项 (颜色词:红色,绿色,黑色) 提供一致的性能比较.

主要成果:

在Stroop任务中不一致的试验在响应选择过程中显著增加了上唇肌肉激活.
原始化Stroop任务显示,口语响应的唇部和下巴运动的空间变化更大.
在两项Stroop任务中不一致的试验导致更长的响应时间,证实了预期的干扰效应.

结论:

中央认知语言干扰可能会损害外围语音运动控制.
研究结果表明,更高层次的认知过程与语言的物理执行之间存在联系.
未来的研究应该在老年人和有运动语言障碍的人身上研究这些影响.

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