The source of ‘paradoxical lateralization’ of cortical evoked potentials to posterior tibial nerve stimulation

R. P. Lesser, H. Lüders, D. S. Dinner, J. Hahn, H. Morris, E. Wyllie, S. Resor

Research output: Contribution to journalArticle

Abstract

We report the potentials elicited by posterior tibial nerve stimulation and recorded simultaneously from the scalp and from electrodes within the interhemispheric fissure. The primary cortical potential was recorded from cortex contralateral but from scalp ipsilateral to the stimulated nerve. The scalp recordings thus demonstrated “paradoxical lateralization” as reported previously, and the similar morphology of the scalp and contralateral cortical recordings confirm that this “paradoxical lateralization” is most likely the result of a horizontal dipole located within the interhemispheric fissure.

Original languageEnglish (US)
Pages (from-to)82-88
Number of pages7
JournalNeurology
Volume37
Issue number1
StatePublished - Jan 1987

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ASJC Scopus subject areas

  • Clinical Neurology

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Lesser, R. P., Lüders, H., Dinner, D. S., Hahn, J., Morris, H., Wyllie, E., & Resor, S. (1987). The source of ‘paradoxical lateralization’ of cortical evoked potentials to posterior tibial nerve stimulation. Neurology, 37(1), 82-88.