OKN TopHat

Question 1

T/F: absence of OKN indicates an intact visual pathway

Answer 1

false → presence

Question 2

T/F: OKN system produced eye movements that compensate for relatively prolonged, sustained self-rotational head movement

Answer 2

true

Question 3

T/F: normative OKN latency is 140 ms

Answer 3

true

Question 4

T/F: nucleus of the optic tract (NOT) is tuned to vertical target motion to the ipsilateral side

Answer 4

false → tuned to horizontal target motion to the ipsilateral side

Question 5

T/F: NOT pathway is absent in strabismus & immature infants

Answer 5

true

Question 6

T/F: MST area is involved in the neurophysiological pathway of the OKN system

Answer 6

true