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An electrophysiological study of trigeminal commissural interneurons in the anaesthetized rabbit
R Donga1, J P Lund, D Veilleux
1Faculté de Médecine Dentaire, Université de Montréal, Qué., Canada.
Brain Research
|May 7, 1990
Abstract:
The physiological characteristics of intertrigeminal area, nucleus oralis tau and supratrigeminal interneurons terminating in the contralateral-trigeminal motor nucleus were studied. Their antidromic conduction velocities were found to be between 3.7 and 16.3 m/s and most units had ipsilateral oral and peri-oral low threshold mechanoreceptive fields. Many received convergent inputs from both mandibular and maxillary divisions of the trigeminal nerve as well as the sensorimotor cortex.