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Updated: Jul 7, 2026

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微刺激揭示了大脑皮层神经元的麻醉状态依赖的有效连接性

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    bioRxiv : the preprint server for biology
    |May 15, 2024
    PubMed
    概括

    麻醉显著减少了大鼠视觉皮层中的神经网络连接,影响了信息处理. 快速醒来恢复了局部电路内的密集,复杂的神经通信.

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    Local Anesthetics: Differential Sensitivity of Nerve Fibers01:24

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    Local anesthetics (LAs) block the sodium channels of nerve trunks, sensory nerve endings, and neuromuscular junctions. Although LAs can block all kinds of nerves, the sensitivity of nerve fibers differs according to nerve types and structures. LAs are known to block myelinated fibers faster than unmyelinated ones. Also, they block pain or sensory neurons at low concentrations without affecting the motor neurons involved in muscle contractions. This helps relieve labor pain without affecting the...