The effects of different dosages of oxytocin(OT)administeredsubcutaneously on the electric activity of nuclei raphae medianae(NRM)were observed in 45 male Wistar rats by extracellular recording.

• 采用玻璃微电极胞外记录的方法，观察皮下注射不同剂量的催产素(OT)对大鼠中缝大核(NRM)神经元伤害性诱发放电的影响。