Short latency somatosensory evoked potentials to peroneal nerve stimulation in normal Japanese children |
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Authors: | T Hashimoto M Tayama K Fukuda S Endo M Miyao |
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Institution: | Department of Pediatrics, Tokushima University School of Medicine, Tokushima |
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Abstract: | Short latency somatosensory evoked potentials (SSEP) were elicited by stimulation of the peroneal nerve in 68 normal children of 39 weeks to 15 years old. In all subjects, three positive potentials (P1, P2 and P3) and one negative potential (N1) were consistently recorded. A further positive potential (P4) after N1 was not always observed. There was no change of wave form with development. P1, P2, P3 and N1 might be generated in subcortical structures; caudal cervical spine, brainstem, thalamus and thalamocortical pathway, respectively. The latency of each peak per one meter body length decreased with age until 5 or 6 years of age. Moreover, the latency between peaks per one meter body length also decreased with age until 5 to 6 years of age. These findings are consistent with the development of SSEP on median nerve stimulation and with the developmental phenomenon of spinal conduction velocity, and might be related to the increase in the diameter and the progressive myelination of nerve fibers. |
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Keywords: | Short latency somatosensory evoked potential peroneal nerve development topography |
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