Saccades and Smooth Pursuit Flashcards
1
Q
smooth pursuit
A
- voluntary
- in the light?
- slow
- in the direction of the object
2
Q
saccade
A
- involuntary
- has both horizontal and vertical component
- fast
- opposite direction of the object
3
Q
muscles innervated by CN 3
A
- medial rectus (adduction)
- levator palpebrae superioris (elevates upper eyelid)
- sphincter pupillae (constricts pupil = miosis) ((parasympathetic))
- ciliary muscle (accommodation)
4
Q
voluntary saccade location
A
FEF- frontal eye field
5
Q
involuntary saccade location
A
superior colliculi
6
Q
horizontal saccade
A
PPRF- paramedian pontine reticular formation
7
Q
vertical saccade
A
RIN - Rostral interstitial nucleus
