sentences:  Through electrophysiological studies and neuronal tracing, these characteristics do not fully support the typical person with central facial palsy.Often, transcranial magnetic stimulation (TMS) is used to understand the bilateral corticonuclear projections of the lower facial motor neurons.This idea using bilateral innervation to the upper facial motor neurons is rarely tested by humans because of the afferent fibers in the trigeminal nerve are distributed over the head and face and could cause damage.