Somatosensory evoked potentials following stimulation of the trigeminal nerve in man
✍ Scribed by M. Stöhr; F. Petruch
- Publisher
- Springer
- Year
- 1979
- Tongue
- English
- Weight
- 375 KB
- Volume
- 220
- Category
- Article
- ISSN
- 0340-5354
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✦ Synopsis
Somatosensory evoked potentials following trigeminal nerve stimulation can regularly be recorded from the contralateral scalp on C5/C6 (10--20 system), a region which overlies the primary face region of the somatosensory cortex. From the first three peaks analyzed (N 13, P 19 and N 26), the first positive peak (P 19) is most prominent and reliable and therefore is recommended for the routine measurements of neurophysiological examination.
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## Abstract Cortical and spinal somatosensory evoked potentials (SEP) were recorded in healthy individuals following stimulation of digits I, III, and V with an intensity below discomfort level. Peak latency of the earliest cortical negativity (N1) was found to be the most consistent and easily mea