疼痛是伴随有实际的或潜在性的组织损伤的一种不快感觉或精神体验。外伤等伤害性刺激造成组织损伤明显或不明显时均可感到疼痛。以在任何情况下,精神的反应对疼痛的程度和种类影响都很大的猫来说,如对猫的桡神经浅支行电刺激,轻度电刺激时可得到Aα,β纤维的复合动作电位,增加刺激强 Pain is an unpleasant feeling or mental experience that accompanies actual or potential tissue damage. Trauma and other noxious stimuli cause tissue damage may be painful when obvious or insignificant. In any case, the spirit of the reaction on the degree and type of pain are cats, such as the cat’s radial nerve superficial branch of electrical stimulation, mild electrical stimulation can be Aα, β-fiber composite action potential , Increase the stimulus