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Reevaluation of reflex responses of the human masseter muscle to electrical lip stimulation
Author(s) -
Paulius Uginčius,
Gizem Yılmaz,
Oğuz Sebik,
Kemal S. Türker
Publication year - 2017
Publication title -
journal of neurophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.302
H-Index - 245
eISSN - 1522-1598
pISSN - 0022-3077
DOI - 10.1152/jn.00064.2017
Subject(s) - stimulation , neuroscience , reflex , trigeminal nerve , masseter muscle , inhibitory postsynaptic potential , postsynaptic potential , jaw jerk reflex , medicine , anatomy , psychology , receptor
We examined the human masseter reflex response to electrical stimulation of lower lip to uncover realistic postsynaptic potentials in the trigeminal motor nucleus. We found that the stimulation generates a long-lasting single or compound inhibitory response that is followed by a late, long-lasting excitation. These findings have important implications on the redrawing of the neuronal pathways of the trigeminal nerve that are frequently used to judge neuromuscular disorders of the trigeminal region.

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