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In Search of a Feedback Signal for Closed-Loop Deep Brain Stimulation: Stimulation of the Subthalamic Nucleus Reveals Altered Glutamate Dynamics in the Globus Pallidus in Anesthetized, 6-Hydroxydopamine-Treated Rats.

Biosensors 2023 Chernov MM, Swan CB, Leiter JC

深部脑刺激(DBS)丘脑底核(STN)可缓解帕金森病(PD)运动症状,但刺激参数通常依赖主观试错优化。本研究检验 DBS 是否释放谷氨酸,以及 6-羟基多巴胺(6-OHDA)诱导的黑质纹状体损伤是否改变 DBS 期间基底节核团谷氨酸释放。作者在麻醉对照及 6-OHDA 处理大鼠中,用伪随机二进制序列(PRBS)高频刺激 STN,同时...