Vision Science 1 Exam 2 Review

How many layers make up the LGN?

• 4

• 5

• 6

• 8

True or False. Horizontal Cells relay information between Bipolar Cells and Ganglion Cells.

• True

• False

What layer of the retina are Bipolar Cells located?

• Inner Plexiform Layer

• Inner Nuclear Layer

• Outer Plexiform Layer

• Retinal Pigmented Epithelium

The optic nerve is comprised of the axons from which cells?

• Bipolar Cells

• Horizontal Cells

• Retinal Ganglion Cells

• Amacrine Cells

• Photoreceptors

What is the "first step in vision"?

• Photoreceptors

• Retinal Ganglion Cells

• Transposition

• MT/MST

Which is NOT true of the Fovea?

• Absence of rods

• Absence of retinal vasculature

• Maximal cones

• Contains flat layer of all cells within the center

What is the function of Midget Bipolar Cells?

• Color opponency

• Tracking an object

• Reading

• Balance

What are the first cells to display action potentials?

• Ganglion Cells

• Bipolar Cells

• Photoreceptors

• Amacrine Cells

Organize these options into the right categories

Groups:

(a) Magnocellular

,

(b) Parvocellular

• Midget Ganglion Cells

• Color

• Greater spatial summation

• Movement

• Greater spatial resolution

• Form

• Parasol Ganglion Cells

• Dorsal Pathway

• Ventral Pathway

(a)   of the retinal information go to the LGN and ​ (b)   go to the other subcoritcal areas.

• 90%
• 10%