...律 脊髓(用温热石蜡油覆盖)，d -筒箭毒制动(1 mg/kg，i．p．每1～2 h一次)，以备记录L4脊髓单位放电(spinal cord unit discharges，SCUDs)。
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本文介绍用微电极记录脊髓背角神经元对伤害刺激单位放电的反应及计算机处理方法。
The method that microelectrode is used to record unit discharge of spinal dorsal horn to respond to nocuous stimulus and its computer processing is described.
将刺激电极安放于大鼠蓝斑(LC)及坐骨神经，用玻璃微电极记录脊髓背角痛敏单位的放电。
Stimulation electrodes were placed in the locus coeruleus (LC) and the sciatic nerve of the rat. Pain unit discharge of spinal dorsal horn was recorded extracellularly with glass microelectrodes.
结果：正常脊髓神经元的自发单位放电多是一个低频的单发脉冲活动。
Results: Most autonomous discharge of the normal spinal cord neurons was regularly a single pulse with low frequency.
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