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听觉错误的方向,大小和暴露对纠正反应的复杂影响
Anuradha J Sreedhar1, Ayoub Daliri1
1College of Health Solutions, Arizona State University, Phoenix, AZ, United States.
Frontiers in human neuroscience
|February 12, 2026
概括
大脑在纠正语音错误时显示首选的运动方向,对听起来自然的错误做出更多反应,对不自然的错误做出更少反应. 这凸显了影响错误补偿策略的电机控制中的偏差.
科学领域:
- 语音运动控制器的控制器
- 审计 - 引擎集成的整合
- 人类的运动学习.
背景情况:
- 大脑使用纠正和适应性反应来管理语音产生错误.
- 了解错误特征如何影响这些反应对于言语运动控制研究至关重要.
研究的目的:
- 调查错误特征和暴露对纠正和适应性语音反应的影响.
- 为了确定大脑如何弥补元音生成中的扰动.
主要方法:
- 使用一种补偿范式,在形成空间中使用两个扰动方向 (ɛ-to-æ和 ɛ-to-out).
- 校正反应是通过形式差异来衡量的,适应反应是通过未被扰乱试验的变化来衡量.
- 通过检查试验的前半部分和后半部分的反应来评估暴露的影响.
主要成果:
- 对于较小,更自然的干扰 (ɛ-to-æ) 则更大的纠正反应.
- 在单次错误暴露后出现了适应性反应.
- 纠正和适应反应都经常遵循参与者特定的e-ɪ方向,无论扰乱方向如何.
结论:
- 大脑优先考虑听起来自然的错误,并在错误补偿过程中表现出运动偏差.
- 首选的电机模式可以影响错误校正,即使不完全准确.
- 反复暴露于意想不到的错误可能会导致大脑反应减弱.
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