Cross-Over

Question 1

Cross-Over

Answer 1

Each Optic Nerve, from each eye, divides and goes to both sides of the brain

Question 2

When you fixate on single point in environment…

Answer 2

…, you have aligned your centrally-located Foveas with that point

Question 3

any stimulus to the right of a point you’ve fixated on…

Answer 3

(i.e. in the Right Visual Field=RVF) will fall on the left side of both retinas

Question 4

any stimulus to the left of a point that you’ve fixated on..

Answer 4

(i.e. in the Left Visual Field=LVF) will fall on the right side of both retinas

Question 5

Info from Right & Left Visual Fields follows different paths through bilateral brain such that

Answer 5

LVF>R Brain

RVF>L Brain

Question 6

Info from Left Visual Field =>

Answer 6

=> Retina on right side of RIGHT eye => right LGN => right Striate Cortex

• But info from Left Visual Field => Retina on right side of LEFT eye crosses over at the Optic Chiasm
  => right LGN => right Striate Cortex (And vice versa for Info from Right Visual Field)

Question 7

Corpus Callosum

Answer 7

, info from right & left Striate Cortex (i.e. from both left & right Visual Fields) is exchanged across Corpus Callosum