601-大脑网络刺激映射与皮层层级建模

这项研究通过分析癫痫患者的颅内电刺激与脑电图同步记录，揭示了人类大脑分层结构如何驱动不同的神经兴奋性。实验发现，高阶认知网络（如默认模式网络）表现出比低阶感觉运动网络更强的电刺激反应，呈现出一种明显的解剖梯度。研究团队结合数学建模进一步证明，这种差异源于高阶区域对循环反馈连接的高度依赖，而低阶区域的活动则更为局限和独立。当在模拟实验中切断这些反馈路径时，高阶网络的后期反应显著减弱，证实了功能整合在复杂思维中的核心作用。这些发现不仅阐明了脑网络分层的信息处理机制，也为优化精准神经调控治疗提供了重要的科学支撑。References:* Momi D, Wang Z, Parmigiani S, et al. Stimulation mapping and whole-brain modeling reveal gradients of excitability and recurrence...去小宇宙查看完整单集简介前往小宇宙评论区与主播互动

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601-大脑网络刺激映射与皮层层级建模

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