HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Correspondence: Submit a response Alert me when this article is cited Alert me when Correspondence are posted Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Singh, N. Articles by Brisman, R. Search for Related Content PubMed PubMed Citation Articles by Singh, N. Articles by Brisman, R.

Trigeminal nerve stimulation

Short latency somatosensory evoked potentials

Department of Neurology (Drs. Singh and Sachdev) and the Department of Neurosurgery (Dr. Brisman), Columbia-Presbyterian Medical Center, New York, NY.

We have devised a technique to measure trigeminal somatosensory evoked potentials, stimulating the mentalis nerve at the mandibular foramen and recording the evoked early potential on the scalp at 3.2 msec. The early potential was easily recognized in all normal subjects and on the asymptomatic side of patients with facial pain. The latency of the early potential in normals was 1 to 2 msec less than half the latency of the mechanically induced jaw jerk. The early potential appeared simultaneously on both sides after stimulation of either the right or left mentalis nerve and may have its origin in deep brainstem structures, the Gasserian ganglion, or the trigeminal nerve. The technique is useful in documenting the functional integrity of peripheral and central afferent pathways of the trigeminal nerve.

Address correspondence and reprint requests to Dr. Singh, Department of Neurology, Montefiore Hospital and Medical Center, 111 East 210th Street, Bronx, NY 10467.

Accepted for publication June 17, 1981.