Chapter 8: Perceiving Motion

Question 1

motion after-effects occur:

Answer 1

after perceiving a moving stimulus, a stationary stimulus appears to move

Question 2

local disturbance in the optic array refers to:

Answer 2

one object moving relative to the stationary environment, covering and uncovering the background

Question 3

global optic flow signals that:

Answer 3

the observer is moving through a stationary environment

Question 4

the aperture problem happens when:

Answer 4

viewing only a small portion of a larger stimulus can result in misleading information about the direction in which the stimulus is moving

Question 5

what is the hypothetical structure used in CDT?

Answer 5

the comparator

Question 6

Reichardt detectors are:

Answer 6

simple neural circuits that could fire in response to movement in one direction

Question 7

perception of motion begins in which region of the brain?

Answer 7

the striate cortex

Question 8

what is supposed by the shortest path constraint?

Answer 8

apparent movement tends to occur along the shortest path between two stimuli