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  • Author or Editor: Marjorie S. Gill x
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in Journal of the American Veterinary Medical Association
in Journal of the American Veterinary Medical Association


A method was developed to record cortical somatosensory evoked potentials (sep) from thoracic and pelvic limb stimulation in cows. Recordings were similar in latency and amplitude to those reported for horses. Correction for conduction pathway length did not alter the average latency values because the cows of the study were uniform in size; however, the data provided will enable use of this normative data with smaller or larger individual animals.

Although latency variability for the sep peaks was low, variability of the amplitude measurements was high. This observed variability was similar to that seen in other species. Validity of the recorded responses was indicated by lack of a tibial nerve sep in 1 cow that had been given a tibial nerve conduction block, using lidocaine, and by repeatability of the response in 2 recordings taken 1 year apart in the same cow.

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in American Journal of Veterinary Research