The activation of NRM neurons by electroacupuncture(EA)waseliminated after decerebration at superior colliculus level,indicating that thiseffect of EA depends mainly on the supra-midbrain structure.

• 检验 AR 至 PAG-NRM 的神经通路在电针效应中的作用:实验显示上丘水平去大脑后,电针兴奋 NRM 的效应完全消失,表明此效应主要依赖中脑以上结构实现;