感觉信息在中枢神经系统的调制机制是近代神经生理学研究中最引人注目的领域之一。痛觉调制的研究方法有:1.电生理方法。这种方法在确定痛觉通路方面作出了重要贡献。1973年张香桐首次提出束旁核痛敏细胞的主要特征是:①潜伏期长,约200ms,②后放电长达数秒,③重复给予伤害性刺激,反应不显减弱。2.解剖组织学方 Sensory information in the central nervous system modulation mechanism is one of the most striking areas in modern neurophysiology. Pain modulation research methods are: 1. Electrophysiological methods. This method has made a significant contribution to the identification of pain pathways. Zhang Xiangtong was first proposed in 1973, paralysis paralysis of the main features of allergic cells are: ① long incubation period, about 200ms, ② discharge for up to a few seconds, ③ repeatedly given nociceptive stimuli, the reaction was not diminished. 2. Anatomical histology