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相关实验视频

Updated: Sep 17, 2025

An Emerging Target Paradigm to Evoke Fast Visuomotor Responses on Human Upper Limb Muscles

An Emerging Target Paradigm to Evoke Fast Visuomotor Responses on Human Upper Limb Muscles

Published on: August 25, 2020

毫秒级白物质动力学视觉运动集成的基础

Riyo Ueda¹, Hiroshi Uda², Keisuke Hatano³

¹Department of Pediatrics, Children's Hospital of Michigan, Detroit Medical Center, Wayne State University, Detroit, Michigan, 48201, USA. Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, 1878551, Japan.

|June 29, 2025

概括

这项研究揭示了大脑如何处理视觉信息并做出决策,显示右半球领导初始处理,左半球控制右手反应的运动输出. 它强调了视觉空间任务中的速度准确性权衡.

关键词:

宽带高频活动活动动态轨道图学动态轨道图学的手术手术是在.高马活性高的马活性.非语言视觉空间处理.

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Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms

Published on: March 21, 2019

相关实验视频

Last Updated: Sep 17, 2025

An Emerging Target Paradigm to Evoke Fast Visuomotor Responses on Human Upper Limb Muscles

An Emerging Target Paradigm to Evoke Fast Visuomotor Responses on Human Upper Limb Muscles

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Published on: August 23, 2022

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms

Published on: March 21, 2019

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
神经成像是一种神经成像.

背景情况:

传统模型假定视觉空间处理的右半球占主导地位,而语言处理的左半球占主导地位.
右侧反应通常由左侧运动皮质控制.

研究的目的:

研究参与视觉空间刺激处理,决策和运动反应生成的精确时间和白质网络.
阐明在认知任务中半球专业化背后的神经机制.

主要方法:

内脑电图 (iEEG) 用于捕捉高时间分辨率的神经活动.
磁共振 (MR) 路谱学被用来绘制连接大脑区域的白质路径.
向参与者展示了非语言视觉空间刺激.

主要成果:

在刺激开始后200毫秒内,在右半球观察到广泛的功能连接和双向神经流.
右前部中额头回的参与提高了准确性,但延迟了响应时间.
显著的功能连接性和通过大脑大脑皮层之间的运动皮层之间的通讯发生在右手反应之前的100毫秒内.

结论:

结果提供了支持半球专业化模型的毫秒级别证据.
响应准确度和速度之间的权衡是由右背侧前额网络调节的.
通过体进行半球间通信的时间对于将决策传递给运动系统至关重要.