Bulbar palsy vs Pseudobulbar palsy:
- Bulbar palsy affects CN 9 10 11 12 (forgive me i am lazy to use romans) at the nuclear, fascicular or nerve level
- Pseudobulbar palsy affects the corticobulbar tracts, usually vascular causes affecting the internal capsule

To differentiate the two
Pseudobulbar palsy:
Emotions: labile
Dysarthria: donald duck/hot potato speech
Tongue: spastic, small for size
Jaw Jerk: brisk
Associated findings: bilateral UMNL of limbs

Bulbar palsy:
Emotions: normal
Speech: nasal
Tongue: wasted, fasciculations
Jaw jerk: N
Associated findings: ?