Week 8: Perceiving motion and events

Question 1

Functions of motion

Answer 1

• movement attracts our attention (active or passive)
• movement of an object relative to an observer provides information about object’s 3D

Answer 2

We cannot imagine a visual system

Answer 3

1) real movement

2) apparent movement

3) included movement

Question 4

Real movement

Answer 4

Light physically moves ie physically displaced from one place to another

Answer 5

• we perceive movement when eyes are stationary so image moves across the retina
• when image moves across the retina, it stimulates

Answer 6

• when an image moves across the retina, it stimulates a series of receptors
• excitation and inhibition interact