认知负荷对宫前庭带来的影响唤起了肌源性潜能
Rahina Abubacker1, Aravind Kumar Rajasekaran1, Anannya Adhikari1
1Department of Speech Pathology and Audiology, National Institute of Mental Health and NeuroSciences, Bangalore, Karnataka 560029, India.
Hearing research
|November 3, 2025
概括
使用Stroop任务测量的认知负载显著降低了健康成年人的椎静脉引起肌原潜力 (cVEMPs) 幅度. 这表明更高阶的认知过程会影响前体反射强度.
科学领域:
- 神经科学是一个神经科学.
- 垂体系统生理学 垂体系统生理学
- 认知神经科学 认知神经科学
背景情况:
- 垂体反应传统上被认为是反射性和脑干介导的.
- 新出现的证据表明易受高阶认知调制的影响.
- 宫静脉唤起肌原潜力 (cVEMPs) 是前庭功能的关键指标.
研究的目的:
- 调查认知负载对cVEMP参数的影响.
- 评估Stroop任务如何影响前庭反应.
- 探索对前置系统的中央认知影响.
主要方法:
- 三十名健康的年轻成年人 (20-25岁) 参与.
- 进行了基线和双任务cVEMP记录.
- 双重任务涉及Stroop任务与声学刺激同时进行.
主要成果:
- 在Stroop任务中观察到cVEMP P1-N1振幅的统计显著减少 (p < 0.02).
- cVEMPs的P1和N1延迟时间保持不变.
- 条件之间没有发现不对称比率的显著差异.
结论:
- 认知负载显著减弱cVEMP振幅,表明上下调制.
- 垂体检测应考虑参与者的认知状态.
- 这些发现支持认知过程在调节前庭反射强度方面的作用.
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