Hallin R G, Wiesenfeld-Hallin Z, Duranti R
Neurosci Lett. 1986 Aug 4;68(3):356-61. doi: 10.1016/0304-3940(86)90516-1.
Neural activity from the median nerve was recorded in 5 volunteers with a concentric needle electrode that has two recording surfaces in very close proximity at the tip. The aim of this study was to establish the probability of recording activity in the nerve from both surfaces simultaneously. We wanted to test one aspect of a recent critique of the microneurographic technique (Wall and McMahon, Pain, 21 (1985) 209-229), namely the suggestion that the recording electrode in these types of studies causes pressure block of almost all fibers in the impaled nerve fascicle. In 80% of our experiments it was possible to record neural activity at both surfaces simultaneously. These results indicate that the physiological state of the peripheral nerves during microneurographic explorations is not necessarily highly abnormal due to pressure block of nearly 100% of the nerve fibers close to the recording electrode tip. Our results thus speak against this aspect of the criticism of the microneurographic technique.
使用一种在尖端有两个非常靠近的记录表面的同心针电极，记录了5名志愿者正中神经的神经活动。本研究的目的是确定同时从两个表面记录神经活动的概率。我们想测试最近对微神经图技术的一项批评（Wall和McMahon，《疼痛》，21(1985)209 - 229）的一个方面，即认为在这类研究中记录电极会导致刺入的神经束中几乎所有纤维的压力阻滞。在我们80%的实验中，能够同时在两个表面记录神经活动。这些结果表明，在微神经图探索过程中，外周神经的生理状态不一定因靠近记录电极尖端的近100%神经纤维的压力阻滞而高度异常。因此，我们的结果反驳了对微神经图技术批评的这一方面。
