Chapter Three: Sensation and Perception

Question 1

Sensation

Answer 1

process of receiving stimulus energies from the external environment and transforming them into neural energy.

Question 2

Perception

Answer 2

process of organization and interpreting sensory information so that it makes sense.

Question 3

Absolute Threshold

Answer 3

minimum amount of stimulus energy that a person can detect.

Question 4

Weber’s Law

Answer 4

the principle that two stimuli must differ from a constant minimum percentage to be perceived as different.

Question 5

Selective Attention

Answer 5

focusing on a specific aspect of experience while ignoring others.

Question 6

Sensory Adaption

Answer 6

a change in responsiveness of the sensory system based on the average level of surrounding stimulation.

Question 7

Apparent Movement

Answer 7

when we perceive a stationary object as moving.

Question 8

Perceptual Constancy

Answer 8

is the recognition that objects are constant and unchanging even though sensory input about them are.

Question 9

Papillae

Answer 9

bumps on tongue that contain taste buds.

Question 10

Olfactory Epithelium

Answer 10

lines roof of nasal cavity, contains receptors for smell.