Color imaging of parietal and frontal somatosensory potential fields evoked by stimulation of median or posterior tibial nerve in man.

@article{Desmedt1985ColorIO,
  title={Color imaging of parietal and frontal somatosensory potential fields evoked by stimulation of median or posterior tibial nerve in man.},
  author={John E. Desmedt and Marie-Luce Bourguet},
  journal={Electroencephalography and clinical neurophysiology},
  year={1985},
  volume={62 1},
  pages={1-17}
}
Somatosensory evoked potentials (SEPs) to median or fingers or posterior tibial nerve stimulation were recorded with earlobe reference in normal young adults. A system of 16 electrodes on the scalp served to create bit-mapped images of the potential fields at 1 msec intervals. The P14 (median SEP) or P30 (tibial SEP) far fields thought to reflect the afferent volley in the medial lemniscus produced widespread positivity over the scalp. Subsequent components had a characteristic focal… CONTINUE READING

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