Visual perception p2

Question 1

Form

Answer 1

involves perception of line lengths, orientation and intersection they make. Also based on subjective experience

Question 2

Distance and Depth

Answer 2

Perception depends on both monocular (one eye) and binocular (both eyes) components

Question 3

Monocular

Answer 3

Depend on learned association. Cues:

Occlusion (whats in front)
Relationship of size/distance
Motion parallax (what is further based on movement)

Question 4

Binocular component

Answer 4

Arises from the fact that our eyes are 6cm apart. Creating different images. Combined with LGN

Question 5

Binocular rivalry

Answer 5

Combined percept should be fused, but it does not. They switch. Rivalry between the info coming from left and right.

Question 6

Motion

Answer 6

Subjective experience when a sequence of different but related images is presented to the retina over a short time. Processed in area V5

Question 7

Aperture problem

Answer 7

Many combinations of speed and direction can give rise to the sequence of images falling on the retina.

Question 8

Apparent motion

Answer 8

Two static stimuli presented close create sense of motion. Phi-phenomenon (gestalt)