Definitions

Question 1

Sensory Receptors

Answer 1

Sensory nerves that respond to stimuli

Question 2

Sensory Ganglia

Answer 2

Collection of cell bodies outside the CNS

Question 3

Projection Areas

Answer 3

Areas in the brain that analyze sensory input

Question 4

Absolute threshold

Answer 4

The minimum of stimulus energy that will activate a sensory system

Question 5

Threshold of conscious perception

Answer 5

The minimum stimulus energy that will create a signal large enough in size and long enough in duration to be brought into awareness

Question 6

Difference threshold

Answer 6

the minimum difference in magnitude between two stimuli before one can perceive this difference

Question 7

Weber’s Law

Answer 7

Just Noticeable Difference (JND) for a stimulus is proportional to the magnitude of the stimulus

Question 8

Signal Detection Theory

Answer 8

Refers to the effects of nonsensory factors, such as experiences, motives, and expectations on the perception of stimuli

Accounts for response bias

Question 9

Adaptation

Answer 9

Referse to a decrease in a response to a stimulus over time