Unit 4 Sensation and Perception

Question 1

Process which our sensory receptors and nervous system receive and represent stimulus energies from our environment

Answer 1

Sensation

Question 2

Process of organizing and interpreting sensory info, enabling us to recognize meaningful objects and events

Answer 2

Perception

Question 3

Analysis that begins with sensory receptors and works up to brains integregation of sensory info

Answer 3

Bottom up processing

Question 4

Info processing guided by higher level mental processs

Answer 4

Top down processing

Question 5

Focusing of conscious awareness on a particular stimulus

Answer 5

Selective attention

Question 6

Failing to see visible objects when our attention is directed elsewhere

Answer 6

Inattentional blindness

Question 7

Failing to notice changes in the environment

Answer 7

Change blindness

Question 8

Conversion of one form of energy into another

Answer 8

Transduction

Question 9

Study of relationships between the physical characteristics of stimuli

Answer 9

Psychophysics

Question 10

The minimum stimulation needed to detect a particular stimulus 50 percent of time

Answer 10

Absolute threshold

Question 11

Theory predicting how and when we detect the presence of a faint stimulus amid background stimulation

Answer 11

Signal detection theory

Question 12

Below ones absolute threshold for conscious awareness

Answer 12

Subliminal

Question 13

Activation, often unconsciously, of certain associations, thus predisposing ones perception, memory, or response

Answer 13

Priming

Question 14

Minimum difference between two stimuli required for detection 50 percent of the time

Answer 14

Difference threshold

Question 15

Principle that to be perceived as different, two stimuli must differ by constant minimum percentage

Answer 15

Webers law

Question 16

Diminished sensitivity as a consequence of constant stimulation

Answer 16

Sensory Adaptation

Question 17

A mental predisposition to perceive one thing and not another

Answer 17

Perpetual set

Question 18

Controversial claim that perception can occur apart from sensory input

Answer 18

ESP

Question 19

Study of paranormal phenomena including esp and psychokinesis

Answer 19

Parapsychology

Question 20

Distance from the peak of one light or sound was to peak of next

Answer 20

Wavelength