在前脑小脑连接网络上提达爆发刺激促进了简单的认知任务中的认知处理速度
Ning Zhao1,2, Jing Tao1,3, Clive Wong4
1College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China.
Frontiers in human neuroscience
|September 24, 2024
概括
这项研究表明,通过刺激右前补充运动区域 (RpSMA) 和中枢大脑虫VI (MCV6),可以通过影响前脑大脑连接来改善简单任务中的反应时间.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 大脑刺激 大脑刺激
背景情况:
- 理论上,前脑小脑网络可以支持认知处理速度.
- 了解长距离前至小脑有效连接的作用对于阐明认知速度的机制至关重要.
研究的目的:
- 为了研究长距离的正面至小脑有效连接如何影响认知处理速度.
- 确定右前补充运动区 (RpSMA) 和中枢大脑小虫 VI (MCV6) 对处理速度的具体贡献.
主要方法:
- 60名健康参与者每天接受五次跨磁刺激 (TMS):间歇性甲基突破刺激 (iTBS,刺激性) 在RpSMA上,持续性甲基突破刺激 (CTBS,抑制性) 在MCV6上,或假.
- 进行了反应时间任务,包括一个简单的反应时间 (SRT) 任务和符号数字模式测试 (SDMT).
- 在刺激后分析了对反应时间的途径效应.
主要成果:
- 刺激性RpSMA和抑制性MCV6刺激显示出与假的相比,简单反应时间 (SRT) 任务中的更快速度具有显著的负面途径影响 (RpSMA:β = -0.320,p = 0.045;MCV6:β = -0.414,p = 0.007).
- 在更复杂的SDMT任务中没有观察到显著的路径效应.
- 对于简单的任务,表现的边际下降被注意到,而不是复杂的任务.
结论:
- 在简单的认知任务中,RpSMA和MCV6发挥着促进更快反应时间的作用.
- 这些发现支持长距离前脑小脑连接与认知处理速度的相关性.
- 观察到的增强效应似乎特定于简单的认知操作,而不是复杂的.
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