Week 6 - Sensation & Perception

Question 1

The ability to recognise objects in spite of different visual stimulation

Answer 1

Perceptual constancy

Question 2

Perception isn’t determined by the actual stimulus, but by our____

Answer 2

Prediction and interpretation of the stimulus

Question 3

Little activation occurs in the brain when___

Answer 3

We can predict a stimulus accurately

Question 4

A stimulus detection process where our sense organs respond to and translate environment stimuli is a ____

Answer 4

Sensation

Question 5

Nerve pulses that are sent to the brain is a____

Answer 5

Sensation

Question 6

The process by which our sensory systems detect information from the outside world is a sensation. True or False

Answer 6

True

Question 7

An active process of organising and giving meaning to stimuli’s is ____

Answer 7

Perception

Question 8

Perception makes sense of what our senses tell us. TRUE or FALSE

Answer 8

True

Question 9

______studies relationship between the physical characteristics of stimuli and sensory capabilities

Answer 9

Psychophysics

Question 10

Minimum amount of physical energy needed to notice a stimulus
e.g. 50% hit rate in experimental conditions
is the _____

Answer 10

Absolute threshold

Question 11

Smallest difference between two stimuli that ppl can perceive 50% of the time is the _____

Answer 11

Difference threshold

Question 12

The notable difference proportional to the magnitude of the stimulus is known as ____ or ______as the shortest

Answer 12

Webers Law / Weber Fraction

Question 13

Alertness, expectation, rewards and significance of the stimuli are all factors that influence _____

Answer 13

Sensory Judgement

Question 14

Below our absolute threshold

Answer 14

Subliminal stimulation

Question 15

Stimulus is so weak or brief that although its received by senses it cannot be perceived consciously is_____

Answer 15

Subliminal stimulation

Question 16

Sensory input is tied to a single interpretation. TRUE or FALSE

Answer 16

False - sensory input is ambiguous

Question 17

The process of integrating, organizing and interpreting sensations

Answer 17

Perception

Question 18

The process by which a form of physical energy is converted into a coded neural signal that the nervous system can process

Answer 18

Transduction

Question 19

Gestalt perceptual laws/ principles

Answer 19

Similarity
Proximity
Closure
Continuity
Connectedness
The way in which the human eye perceives visual elements

Question 20

The process of detecting a physical stimulus such as light, sound, heat, pressure

Answer 20

Sensation

Question 21

Principle that the just noticeable difference of a stimulus is a constant proportion despite variations.

Answer 21

Webers Law

Question 22

Specialized cells unique to each sense organ that responds to a particular form of sensory stimulation

Answer 22

Sensory receptors

Question 23

The theory of color vision that holds that all color perception derives from three different color receptors in the retina red, green, and blue receptors

Answer 23

trichromatic theory

Question 24

colors seems to cross each other out. after imaging

Answer 24

opponent process theory

Question 25

Has the longest wavelength

Answer 25

Red

Question 26

Hue is

Answer 26

quality of the color

Question 27

3 primary receptors

Answer 27

rod
cone
pigment ehpithelium

Question 28

has the shortest wavelength

Answer 28

Violet

Question 29

nanometer

Answer 29

Used to specify the wavelength of transmitted light.

Question 30

intensity of light

Answer 30

brightness

Question 31

purity or richness in which we receive color

Answer 31

saturation

Question 32

the mean in which we organize our sensations into coherent perceptions.

Answer 32

Gestalt Perception Laws