Yale- Cranial Nerve 7, pg. 9 Page header & navigation buttons.


Chapter contents

Branchial motor

Visceral motor

Special sensory

General sensory

Peripheral lesions

 
Cranial Nerve VII - Facial Nerve Page 9 of 28

Lower Motor Neuron (LMN) Lesion

Results from damage to the motor nucleus of CN VII or its axons.

A LMN lesion results in the paralysis of all muscles of facial expression (including those of the forehead) ipsilateral to the lesion.

Figure 7-9. Lower Motor Neuron (LMN) Lesion.
 
 
Figure 7-9. Lower Motor Neuron (LMN) Lesion.
After Wilson-Pauwels, et al., 1988.



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Last revised: March 22, 1998