Question

How to differentiate which side of face umn and lmn facial palsy?

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)

Answer 2

Answer:

this is the right answer then