Chapter 4

Question 1

Transduction

Answer 1

Converting an external energy into electrical activity within neurons

Question 2

Webers law

Answer 2

There is constant proportional relationship between JND and original stimulus intensity

Question 3

Dichotic affect

Answer 3

Two diff sounds in each ear

Question 4

Cocktail party effect

Answer 4

Hearing your name in a crowd

Question 5

Inattentional blindness

Answer 5

Failing to focus because of a distraction

Question 6

Visual agnosia

Answer 6

Deficit in perceiving objects

Question 7

Trichromatic theory

Answer 7

Colour vision is based on our sensitivity to 3 colours (red, blue, green)

Question 8

Timbre

Answer 8

Quality/complexity of sound

Question 9

Frequency theory

Answer 9

Rate which action potential reproduces the pitch

Question 10

Volley theory

Answer 10

100-5000 Hz

Question 11

Gate control model

Answer 11

Pain blocked from the unconscious

Question 12

Perceptual set

Answer 12

Set formed when expectations influence perceptions

Question 13

Proprioception

Answer 13

Sense of body position

Question 14

Vestibular sense

Answer 14

Sense of balance or equilibrium

Question 15

Gestalt principles

Answer 15

Perceive objects as wholes within their overall context

Question 16

Prosopagosia

Answer 16

Face blindness

Question 17

Phi phenomenon

Answer 17

Illusion of movement by flashing images

Question 18

Motion parallax

Answer 18

Judge distance from speed