The characteristic features of pseudobulbar palsy are:
apparent weakness of the muscles of mastication - V - and facial expression - VII - presenting with difficulty in chewing and an expressionless face. The jaw jerk is exaggerated.
spastic dysarthria - husky or gravelly voice
palatal weakness and difficulty in swallowing - X
brisk gag reflex - IX, X cranial nerves
tongue is immobile, pointed and cannot protrude - XII - this should be discriminated from the slow moving tongue seen in Parkinsonian patients
emotional lability - increased emotions with unprovoked outbursts of laughing or crying
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