Question

Difference between umn and lmn paralysis of facepalsy

Answer 1

Explanation:

To distinguish clinically between a LMN cause and UMN cause of the facial palsy, a patient with forehead sparing (i.e. no involvement to the occipitofrontalis muscle) will have a UMN origin to the palsy, due to the bilateral innervation of the forehead muscle).

Difference Between Upper and Lower Motor Neurons. A neuron is a brain cell that processes and transmits information by chemical and electrical signalling. ... On the other hand, lower motor neurons receive impulses from the upper motor neurons and connect the spinal cord and brain stem to the muscle fibers.