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Contact: Meng Zhao
Neural Regeneration Research


Caption: This shows the different approaches to compound nerve action potential recording. Both ends of the median nerve had electrodes placed, leaving the middle part of approximately 4-5 mm intact. The two electrodes were placed under both ends of the nerve trunk, distal and proximal to the middle. The ground wire was inserted into the muscle close to the intact part (Method A; n = 10). In Method B (n = 10), the median nerve was completely dissociated, then otherwise treated as in Method A. In the third approach, the ground wire was placed beneath the middle part of the completely dissociated median nerve trunk (Method C; n = 10). Sti: Stimulating electrodes; Rec: recording electrodes; Gnd: ground wire.

Credit: Neural Regeneration Research

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Related news release: Optimal distance between 2 electrode tips when recording compound nerve action potentials

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