Week 6 - Sensation & Perception Flashcards

Basic principles of sensation and perception. Core processes of sensation and the major human senses. Basic understanding of how perception helps us to organise and interpret our sensory experiences.

You may prefer our related Brainscape-certified flashcards:
1
Q

The ability to recognise objects in spite of different visual stimulation

A

Perceptual constancy

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2
Q

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

A

Prediction and interpretation of the stimulus

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3
Q

Little activation occurs in the brain when___

A

We can predict a stimulus accurately

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4
Q

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

A

Sensation

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5
Q

Nerve pulses that are sent to the brain is a____

A

Sensation

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6
Q

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

A

True

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7
Q

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

A

Perception

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8
Q

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

A

True

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9
Q

______studies relationship between the physical characteristics of stimuli and sensory capabilities

A

Psychophysics

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10
Q

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

A

Absolute threshold

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11
Q

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

A

Difference threshold

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12
Q

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

A

Webers Law / Weber Fraction

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13
Q

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

A

Sensory Judgement

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14
Q

Below our absolute threshold

A

Subliminal stimulation

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15
Q

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

A

Subliminal stimulation

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16
Q

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

A

False - sensory input is ambiguous

17
Q

The process of integrating, organizing and interpreting sensations

A

Perception

18
Q

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

A

Transduction

19
Q

Gestalt perceptual laws/ principles

A

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

20
Q

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

A

Sensation

21
Q

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

A

Webers Law

22
Q

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

A

Sensory receptors

23
Q

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

A

trichromatic theory

24
Q

colors seems to cross each other out. after imaging

A

opponent process theory

25
Q

Has the longest wavelength

A

Red

26
Q

Hue is

A

quality of the color

27
Q

3 primary receptors

A

rod
cone
pigment ehpithelium

28
Q

has the shortest wavelength

A

Violet

29
Q

nanometer

A

Used to specify the wavelength of transmitted light.

30
Q

intensity of light

A

brightness

31
Q

purity or richness in which we receive color

A

saturation

32
Q

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

A

Gestalt Perception Laws