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http://dx.doi.org/10.21288/resko.2016.10.4.279

Recording and Analysis of Peripheral Nerve Activity Using Multi-Electrode Array  

Chu, Jun-Uk (한국기계연구원)
Publication Information
Journal of rehabilitation welfare engineering & assistive technology / v.10, no.4, 2016 , pp. 279-285 More about this Journal
Abstract
Reliable recording and analysis of peripheral nerve activity is important to recognize the user's intention for controlling a neuro-prosthetic hand. In this paper, we present a peripheral nerve recording system that consisted of an intrafascicular multi-electrode array, an electrode insertion device, and a multi-channel neural amplifier. The 16 channel multi-electrode array was stably implanted into the sciatic nerve of the rat under anesthesia using the electrode insertion device. During passive movements and mechanical stimuli, muscle and cutaneous afferent signals were recorded with the multi-channel neural amplifier. Furthermore, we propose a spike sorting method to isolate individual neuronal unit. The muscle proprioceptive units were classified as muscle spindle afferents or Golgi tendon organ afferents, and the skin exteroceptive units were categorized as slow adapting afferents or fast adapting afferents. Experimental results showed that the proposed method could be applicable to record and analyze peripheral nerve activity in neuro-prosthetic systems.
Keywords
Peripheral Nerve; Multi-Electrode Array; Neural Amplifier; Spike Sorting;
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Times Cited By KSCI : 1  (Citation Analysis)
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