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Recovery Function of Short-Latency Components of the Human Somatosensory Evoked Potential
Evelyn Meyer-Hardting, MD;
W. C. Wiederholt, MD;
Byron Budnick
Arch Neurol. 1983;40(5):290-293.
Abstract
• Short-latency somatosensory evoked potentials were studied in 14 normal human subjects with the technique of paired stimuli with different interstimulus intervals. Interstimulus intervals were 5, 10, 15, 25, 50, 100, 150, and 200 ms. To obtain the response to the second stimulus of the pair, amplitudes of the second responses (R2) were subtracted from those of the first responses (R1) and recovery curves constructed. Results of this study support previous conclusions that P10 is generated in peripheral nerves (brachial plexus), P14 in medial lemniscus, N19 in sensory radiation, and P23 in sensory cortex.
Author Affiliations
From the Department of Neurosciences, University of California, San Diego (Drs Meyer-Hardting and Wiederholt), La Jolla; and the Veterans Administration Medical Center (Dr Wiederholt and Mr Budnick), San Diego.
Footnotes
Accepted for publication July 14, 1982.
Reprint requests to Department of Neurosciences, M-008, University of California, San Diego, La Jolla, CA 92093 (Dr Wiederholt).
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