Ipsilateral trigeminal sensory responses to cortical stimulation by subdural electrodes

R. P. Lesser, H. Lüders, G. Klem, D. S. Dinner, H. H. Morris, J. Hahn

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


Twelve patients with medically intractable epilepsy had plates of chronic subdural electrodes placed over the lateral and basal cortical hemispheres during evaluations for surgical therapy. During cortical stimulation, ipsilateral sensations involving any of the branches of the trigeminal nerve were noted in the eye, face, and mouth. Some responses could have been due to durai or direct trigeminal nerve trunk stimulation, but others were probably due to electrical stimulation of trigeminal fibers accompanying the pial-arachnoidal vessels. These fibers had been demonstrated in animals, but not in humans.

Original languageEnglish (US)
Pages (from-to)1760-1763
Number of pages4
Issue number12
StatePublished - Dec 1985
Externally publishedYes

ASJC Scopus subject areas

  • Clinical Neurology


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