15. Vision and Learning Flashcards Preview

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Flashcards in 15. Vision and Learning Deck (17):
1

Which is the "what" pathway?

Magno (motion - periphery)

2

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

Magno

3

Which pathway is considered the focal system?

Parvo

4

What retinal structures feed into the parvo system?

Mainly central retina and foveal receptors

5

Which system is faster, magno or parvo?

Magno

6

Which system dominates the number of retinal fibers?

Parvo

7

What are Skeffington's four circles?

Antigravity
Centering
Identification
Speech and language

8

Centering deals with which pathway?

Magno

9

Identification deals with which pathway?

Parvo

10

That parvo system follows which route to the temporal lobe?

Ventral

11

Which comes first, identification or centering?

Centering

12

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

25%

13

What are the 4 categories of response?

Catatoxic
Syntoxic
Run
Frozen

14

Which is the fight response?

Catatoxic

15

How does the sympathetic system act in the eyes?

Relaxes accommodation and convergence
Dilates

16

Which pathway is "aroused" by the sympathetic system?

Magno

17

How does the parasympathetic system act in the eye?

Miosis
Accommodation
Convergence