15. Vision and Learning

Question 1

Which is the “what” pathway?

Answer 1

Magno (motion - periphery)

Question 2

Which of the information pathways is the more ambient sensing system?

Answer 2

Magno

Question 3

Which pathway is considered the focal system?

Answer 3

Parvo

Question 4

What retinal structures feed into the parvo system?

Answer 4

Mainly central retina and foveal receptors

Question 5

Which system is faster, magno or parvo?

Answer 5

Magno

Question 6

Which system dominates the number of retinal fibers?

Answer 6

Parvo

Question 7

What are Skeffington’s four circles?

Answer 7

Antigravity
Centering
Identification
Speech and language

Question 8

Centering deals with which pathway?

Answer 8

Magno

Question 9

Identification deals with which pathway?

Answer 9

Parvo

Question 10

That parvo system follows which route to the temporal lobe?

Answer 10

Ventral

Question 11

Which comes first, identification or centering?

Answer 11

Centering

Question 12

What percentage of school age children have a vision problem that could affect leraning?

Answer 12

25%

Question 13

What are the 4 categories of response?

Answer 13

Catatoxic
Syntoxic
Run
Frozen

Question 14

Which is the fight response?

Answer 14

Catatoxic

Question 15

How does the sympathetic system act in the eyes?

Answer 15

Relaxes accommodation and convergence

Dilates

Question 16

Which pathway is “aroused” by the sympathetic system?

Answer 16

Magno

Question 17

How does the parasympathetic system act in the eye?

Answer 17

Miosis
Accommodation
Convergence