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comparison of bulbar and pseudobulbar palsy

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Pseudobulbar PalsyBulbar Palsy
degeneration of corticobulbar pathways to V,VII,X,XI,XIIdisturbance to X, XI, XII,sometimes VII, rather than the corticobulbar tracts
lower motor neurone signs absentlower motor neurone signs present
gag reflex (+/n) gag reflex (-)
spastic tonguewasted tongue, fasciculations
jaw jerk (+)jaw jerk (n)
spastic dysarthria nasal speech
labile emotions normal emotions
bilateral UMN signs in limbs

+ = increased; - = reduced; n = normal

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