Table 1.

Facial nerve functional behavioral test observation scale. Adapted from [45]

Vibrissae movement assessment scale			Eye closure and blink reflex observation scale
Score	Movement	Vibrissae position	Movement
1	No movement	Posterior	No movement
2	Light tremor	Posterior	Contraction/no closure
3	Greater tremor	Posterior	50% closure
4	Normal movement	Posterior	75% closure
5	Normal movement	Anterior	Complete closure