13 Retinal Projections

Question 1

Slide 2There are ____ synaptic layers of vision.

Answer 1

6

Question 2

Slide 2True/False. The 6 synaptic layers of vision start with photoreceptors in the retina and ends with cortex.

Answer 2

True.

Question 3

Slide 3: Retina projection to over ___ different areas.

Answer 3

20

Question 4

Slide 4:Suprachiasmatic nucleus is located in the ____ and modulates the ____.

Answer 4

hypothalamus, circadian rhythm.

Question 5

Slide 5:Accessory optic system contains ____ nucleus.

Answer 5

3.

Question 6

Slide 5: True/ False: Accessory optic system contains 3 nucleus: medial terminal nucleus, lateral terminal nucleus, and dorsal terminal nucleus.

Answer 6

True.

Question 7

Slide 6:True/False: Inferior colliculus synchronizes visual and auditory signals.

Answer 7

False. ( superior colliculus).

Question 8

Slide 8:The left colliculus projects unto ____ side of the left retina and the ___ side of the right retina.

Answer 8

temporal, nasal.

Question 9

Slide 9:Superior colliculus retinal field projections reflect ___ density.

Answer 9

cell.

Question 10

Slide 11: A person with blind sight is able to see shape and contrast boarders due to which structure in the brain?

Answer 10

Superior colliculus.

Question 11

Slide 12:True/False: Pretectum provides feedback to allow for constriction or dilation of the pupil.

Answer 11

True.

Question 12

Slide 13:Pregeniculate connects to the ____.

Answer 12

SCN.

Question 13

Slide 13:Pregeniculate may set the phase of the ____.

Answer 13

Circadian rhythm.

Question 14

Slide 14:True/False: Lateral geniculate nucleus receives unilateral projections.

Answer 14

False ( bilateral).

Question 15

Slide 14:Of the 6 layers of the LGN: 4 are ___ layers and 2 are ____ layers.

Answer 15

parvocellular, magnocellular.

Question 16

Slide 15:Layers between the magno and parvocellular layers of the LGN are called the __ layers.

Answer 16

K.

Question 17

Slide 15:True/False: Parvocellular cells sends signals faster to the cortex thus the first thing your cortex sees.

Answer 17

False. ( magnocellular cells).

Question 18

Slide 16:LGN has how many layers?

Answer 18

12.

Question 19

Slide 17:___ ganglion cells projects to the parvocellular layers of the LGN.

Answer 19

Midget.

Question 20

Slide 17:Midget ganglion cells go up to which layer in the striate cortex?

Answer 20

4C beta.

Question 21

Slide 18:Parasol ganglion cells projects to ___ layer of the LGN.

Answer 21

Magnocellular.

Question 22

Slide 18:Parasol ganglion cells go up to which in the striate cortex?

Answer 22

4C alpha.

Question 23

Slide 19:Small bistratified cells projects to ___ layer of the LGN.

Answer 23

koniocellular

Question 24

Slide 20: At least ___ types of ganglion cells project to the LGN.

Answer 24

12.