www Inhtt cn 3.衡量兴奋性指标: 衡量兴奋性高低的指标一阈值(阈刺激) Excitability∝ threshold intensity 阈上刺激 supraliminal stimulus 阈下刺激 subthreshold stimulus 辽宁卫生人才培训网3.衡量兴奋性指标: 衡量兴奋性高低的指标—阈值(阈刺激) Excitability∝ ———————— 阈上刺激 supraliminal stimulus 阈下刺激 subthreshold stimulus 1 threshold intensity