Lecture 1: Introduction

Question 1

What is the horizon?

Answer 1

An imaginary horizontal line that is at the same level as the observer or eye level

Question 2

Describe objects below the horizon

Answer 2

Higher in the field

More distant

Question 3

Describe objects above the horizon

Answer 3

Lower in the field

More distant

Question 4

Why is object identification difficult for computers?

Answer 4

Images with high salience confuse the computer

Question 5

What is the current view of perception?

Answer 5

It is constructed/subjective

Question 6

What are the perception themes?

Answer 6

1. Distinction Between Physical and Perceptual Properties
2. Reducing uncertainty
3. Effects of context
4. Multimodal integration
5. Application

Question 7

Describe response compression

Answer 7

as intensity
increases, the perceived magnitude
increases more slowly than the actual
increase in intensity (e.g. can occur with
brightness perception)

Question 8

Describe response expansion

Answer 8

as intensity
increases, the perceived magnitude
increases more quickly than the actual
increase in intensity (e.g. can occur with
pain perception)

Question 9

What is the McGurk effect?

Answer 9

Visual input changes sound perception

Question 10

Describe mirror box

Answer 10

Visual input changes pain perception