Lecture 11: The Ecological Approach

Question 1

Perception is based on environment

Answer 1

direct approach

Question 2

Perception is based on actor/agent

Answer 2

indirect approach

Question 3

Is Gestalt indirect or direct and why

Answer 3

indirect, innate and unaided by memory

Question 4

If starting point is in retina, input must be (3 things)

Answer 4

1) impoverished
2) imprecise
3) meaningless

Question 5

Problem with Gestalt Innate view

Answer 5

Infinite regress

Question 6

What is infinite regress

Answer 6

We only have another question, every answer and explanation generates another question

Question 7

Is Gibson’s ecological approach direct or indirect

Answer 7

direct

Question 8

Two important concepts underlying Gibson’s notion of information

Answer 8

1) invariants

2) afforadances

Question 9

What are invariants

Answer 9

higher order patterns of stimulation, Johannsons dots

Question 10

Impoverished retinal image (argument against indirect perception)

Answer 10

missing third dimension and implications of size constancy

Question 11

Affordances

Answer 11

information specified by a stimulus pattern that indicates how the stimulus can be used (door handle)