Vision

Question 1

Fovea

Answer 1

Focal point on the retina. Acuity is highest here.

Question 2

Saccades

Answer 2

Eye movements, random and help create clear picture.

Question 3

Subcortical visual processing

Answer 3

Visual info - retina (ganglion cells) - Optic chiasm - thalamus - LGN

Question 4

LGN

Answer 4

In thalamus, two layers: Magnocellular system large neurons. Parvocellullar system, smaller neurons

Question 5

Optic radiation

Answer 5

Axons in LGN lead to the Primary visual cortex (V1)

Question 6

Dorsal stream

Answer 6

Where stream, primary to parietal cortex. Space and motion

Question 7

Ventral stream

Answer 7

What stream. Primary to temporal. Colour and form

Question 8

Colour

Answer 8

Qualities: Hue (actual colour) Saturation (how colourful) brightness. Processed in V4

Question 9

Cerebral achromatopsia

Answer 9

Damage to V4, can’t see colour

Question 10

Monocular component

Answer 10

Depends on learned cues, occlusion (shapes blocked by those in front. Size and distance(farther away is smaller) and motion parallax )closer objects appear to move faster

Question 10

Monocular component

Answer 10

Depends on learned cues, occlusion (shapes blocked by those in front. Size and distance(farther away is smaller) and motion parallax )closer objects appear to move faster