Mehtods: Spinal cord evoked potential(SCEP) and cortex somatosensory evoked potential(CSEP)were recorded under various intensity of injury(32, 36 and 40 kPa respectively)in 11 dogs, and the resultswere compared with each other.

• 方法：记录12只狗在不同的损伤强度（32、36、40kPa）下的脊髓诱发电位（SCEP）和皮层体感诱发电位（CSEP），并比较了它们之间的改变。