使用单单元动作电位改进传导速度分布的估计。
Improved estimates of conduction velocity distributions using single unit action potentials.
作者信息
Milner T E, Stein R B, Gillespie J, Hanley B
出版信息
J Neurol Neurosurg Psychiatry. 1981 Jun;44(6):476-84. doi: 10.1136/jnnp.44.6.476.
Abstract
Single unit potentials were recorded from sural and medial gastrocnemius nerves. Action potential amplitude, integrated area and half-width (duration) were approximately proportional to conduction velocity, raised to the powers 1.5, 1 and -0.5 respectively with the sural nerve, and 2, 1.5 and -0.5 for the medial gastrocnemius nerve. These empirical relationships were applied to the computation of whole nerve conduction velocity distributions based on the relative number of single unit potentials of various conduction latencies required to reconstruct a recorded compound action potential. Conduction velocity distributions, which were converted to fibre diameter distributions, were in close agreement with the corresponding distributions determined histologically.
摘要
从腓肠神经和腓肠内侧神经记录单个单位电位。动作电位幅度、积分面积和半宽度（持续时间）与传导速度大致成比例，腓肠神经分别为传导速度的1.5次方、1次方和 -0.5次方，腓肠内侧神经则为2次方、1.5次方和 -0.5次方。这些经验关系被应用于基于重建记录的复合动作电位所需的不同传导潜伏期的单个单位电位的相对数量来计算全神经传导速度分布。转换为纤维直径分布的传导速度分布与组织学确定的相应分布密切一致。
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