Sensory Processing

Question 1

Difference threshold

Answer 1

The minimum difference between two stimuli to be perceived as different half the time

Question 2

Webers law

Answer 2

To be perceived as different two stimuli must differ by a constant proportion

Question 3

Sensation

Answer 3

Process by which our sensory receptors in the nervous system receive and represent stimuli from the environment

Question 4

Perception

Answer 4

Process of organizing and interpreting sensory information

Question 5

Psychophysics

Answer 5

Study of relationships between the physical characteristics of stimuli and our psychological experience of them

Question 6

Absolute threshold

Answer 6

Minimum stimulation necessary to detect a stimulus fifty percent of the time

Question 7

Signal detection theory

Answer 7

Proposes that there is no absolute threshold, detection depends upon experience, expectations, alertness, and motivation

Question 8

Subliminal

Answer 8

Below absolute threshold for conscious awareness

Question 9

Priming

Answer 9

Activation of certain associations, predisposing memory, perception or response

Question 10

Sensory adaptation

Answer 10

Diminished sensitivity as a result of constant stimulation