Pursuits Flashcards
1
Q
Conjugate eye movements that allow both eyes to smoothly track a moving object so that its image is kept on the fovea
A
Pursuits
2
Q
Pursuits occur to
A
Prevent motion smear and blurred vision (respond to moving objects)
3
Q
Pursuit functions
A
Stabilizes the image
Cancels VOR
Cancels OKN
4
Q
Gain from velocity and latency
A
Gain because they’re going the same direction
5
Q
Pursuit initiation
A
Open loop phase
Guided by target motion
During latency period
6
Q
Maintenance of pursuit
A
Closed loop
Fraction of target speed
7
Q
Who can receive feed back?
Open or closed loop
A
Closed
8
Q
Pursuit stimuli
A
Visual targets
Non visual targets(audio)
Imaginary target
9
Q
When is pursuit gain reduced
A
When pursuit target is moving too fast
