Electrophysiologic Studies in an Infant With Möbius Syndrome
1993
The electrophysiologic findings in an infant with congenital facial diplegia (Mobius syndrome) are presented. As to serial electrically elicited blink reflexes, the R 1 amplitude was significantly reduced and the R2 latency was significantly prolonged. The M response of the orbicularis oculi muscle showed slightly reduced amplitude. Auditory brainstem responses exhibited a prolonged time between waves I and V and reduced amplitude of wave V on the right side. Somatosensory evoked potentials and visual evoked potentials were normal. These findings suggest some degree of impairment of the peripheral facial nerve, and brainstem dysfunction including the pons and lateral medulla. (J Child Neurol 1983;8:182-185).
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