7. Abnormal Development of the Visual System

Question 1

what is the major difference of the visual system in cats and humans

Answer 1

cats have 2 main layers in the LGN

Question 2

why is an albino cat (and humans) visual system different

Answer 2

almost all retinal fibers cross at the chiasm, there’s no ipsi later in the LGN, contra layer folds onto itself to occupy the space where the ipsi layer should be
-LGN receiving all the fibers from the contra eye, it is reposnding to the netire vf w/o the possible of binocularity

Question 3

what chemical accounts for nasal and temporal realignment in a frog? superior and inf?

Answer 3

F1=nasal and temporal
F2=superior and inferior
-density of these chemicals in a particalar area corresponds to a specific part of the optic tectum