both heads showed reflexly-induced excitation and silent periods as a result of stimuli applied to oral-facial sites , the most effective sites being palatal , lingual , labial and buccal mucosa and the teeth , stimulation of which , as well as stimuli applied to mandibular joint and cutaneous afferents , could also reflexly induce silent periods in both heads .
C0015450
facial
C0024687
mandibular