Study sets matching "sensation and perception sensation color"

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Study sets matching "sensation and perception sensation color"

31 terms
Sensation and Perception: perception of color
detection
discrimination
appearance
detection, discrimination, and appeara…
wavelengths of light must be detected in the first place
we must be able to tell the difference between one wavelength…
we want to assign perceived colors to lights and surfaces in…
the 3 steps in color perception
detection
wavelengths of light must be detected in the first place
discrimination
we must be able to tell the difference between one wavelength…
74 terms
Sensation and Perception Color Perception
Is colour a property of the universe?
What is the purpose of colour vision?
What is the relation between color and…
What is the particular colour dependen…
No, it is a creation of the mind.... Wavelengths of light is th…
Evolutionarily beneficial for example finding berries, or avo…
Color is associated with particular wavelengths of light rays…
the wavelength that reaches the eye
Is colour a property of the universe?
No, it is a creation of the mind.... Wavelengths of light is th…
What is the purpose of colour vision?
Evolutionarily beneficial for example finding berries, or avo…
Color Perception - Sensation & Perception
Color Vision
Hue
Saturation
Brightness
- the ability of an organism or machine to distinguish object…
chromatic aspect of color
chromatic strength of a hue
distance from black in color space - the amount of light pres…
Color Vision
- the ability of an organism or machine to distinguish object…
Hue
chromatic aspect of color
Sensation & Perception Color Perception
Three steps to color perception
3 types of cone receptors (for detecti…
What would happen if only one photo re…
Principle of univarience
detection (retina), discrimination (LGN), and appearance (str…
S-cones (detect short wavelengths), M-cones (detect medium),…
lights of equal intensity would elicit the same respnse
infinite set of different combinations can elicit the same re…
Three steps to color perception
detection (retina), discrimination (LGN), and appearance (str…
3 types of cone receptors (for detecti…
S-cones (detect short wavelengths), M-cones (detect medium),…
Sensation and Perception 2: Color
What are the 3 different schemes for d…
What is the only part of the electroma…
Most of the light we see is __________…
Color is not a physical property but a…
Wavelength, trichromacy, and color opponency
400nm-700nm
reflected
Psychophysical
What are the 3 different schemes for d…
Wavelength, trichromacy, and color opponency
What is the only part of the electroma…
400nm-700nm
7 terms
sensation and perception- color
blue and purple
green
red
additive color mixture (with lights)
short wavelengths
middle wavelengths
long wavelengths
All of the light that is reflected from the surface by each l…
blue and purple
short wavelengths
green
middle wavelengths
13 terms
Sensation - Perception of Color
Color Perception
Rods (1 million in each eye)
Cones COLOR (6 million in each eye)
Dark adaptation
Rods & cones together process photons of light & turn them in…
responsible for vision at low light levels
active at higher light levels; capable of color vision; The c…
Ability for our eyes to adjust when going from a bright room…
Color Perception
Rods & cones together process photons of light & turn them in…
Rods (1 million in each eye)
responsible for vision at low light levels
25 terms
Sensation and Perception - Color
Three physical variables of color
Three perceptual variables of color
What does the double color cone tell us?
Grassman's Laws are about...
Wavelength, intensity, purity
Hue, brightness, saturation
Every color humans can see
Additive color mixing
Three physical variables of color
Wavelength, intensity, purity
Three perceptual variables of color
Hue, brightness, saturation
24 terms
Sensation and Perception: Color
Functions of color vision
Lemons
Psychological properties of colors
Physical properties of color
Perceptual segregation: objects pop-out from the background b…
absorb most wavelenghts except for a small band around 580 nm…
Hue, saturation, brightness
Hue= dominant wavelength... Saturation= spectral purity (how muc…
Functions of color vision
Perceptual segregation: objects pop-out from the background b…
Lemons
absorb most wavelenghts except for a small band around 580 nm…
25 terms
Color. Sensation and Perception
Not being able to see color.
Why we have color
Physical attributes of color
Describing color
Mr I.
• Signaling function... • Perceptual Organization
• Different objects reflect (or transmit, in the case of glas…
• We can recognize about 200 different hues (changes in wavel…
Not being able to see color.
Mr I.
Why we have color
• Signaling function... • Perceptual Organization
Sensation & Perception Chapter 7: Color Perception
Detection
Discrimination:
What is color?
Hue:
Picking out objects from backgrounds.
Distinguishing among these detected objects in the environment.
A purely psychological experience. Objects have no color nor…
Quality that distinguishes among red, yellow, green, etc.
Detection
Picking out objects from backgrounds.
Discrimination:
Distinguishing among these detected objects in the environment.
sensation and perception exam 2 - color
object discrimination (why have color…
reflacted light sources
detection
discrimination
surface reflectance, material properties, faces (emotions, ge…
sun, light bulb, fire. we see only 400-700nm
wavelengths of light must be detected
we must be able to tell the difference between wavelengths
object discrimination (why have color…
surface reflectance, material properties, faces (emotions, ge…
reflacted light sources
sun, light bulb, fire. we see only 400-700nm
101 terms
Sensation and Perception
sensation
perception
bottom-up processing
top-down processing
the subjective awareness of a stimulus; the process by which…
the process of organizing and interpreting sensory informatio…
analysis begins withe the sensory receptors and works up to t…
information processing guided by higher-level mental processe…
sensation
the subjective awareness of a stimulus; the process by which…
perception
the process of organizing and interpreting sensory informatio…
Sensation: Color
Color is a _____ property not a ______…
What wavelengths can humans detect
What color/ number range is short wave…
What color/ number range is medium wav…
Color is a perceptual property not a physical property.
400nm-700nm
Blue; 475nm
Green; 510nm
Color is a _____ property not a ______…
Color is a perceptual property not a physical property.
What wavelengths can humans detect
400nm-700nm
57 terms
Sensation & Perception: Chapter 9 Perceiving Color
What is the Purpose of Color?
What Colors Do We Perceive?
How many colors can we discriminate?
Saturation
Serves as a signaling function that facilitates perceptual or…
blue: shortest wavelength... Green: middle wavelength... Yellow & r…
200 colors from the 400 - 700 spectrum
relative amount of whiteness in a color. ... Less whiteness = m…
What is the Purpose of Color?
Serves as a signaling function that facilitates perceptual or…
What Colors Do We Perceive?
blue: shortest wavelength... Green: middle wavelength... Yellow & r…
40 terms
Sensation and Perception
Sensation
Perception
Absolute Threshold
Signal Detection Theory
The process by which our sensory receptors and nervous system…
The process of organizing and interpreting sensory informatio…
The minimum stimulation needed to detect a particular stimulu…
A theory predicting how and when we detect the presence of a…
Sensation
The process by which our sensory receptors and nervous system…
Perception
The process of organizing and interpreting sensory informatio…
Sensation and Perception
sensation
perception
bottom-up processing
top-down processing
the process by which our sensory receptors and nervous system…
the process of organizing and interpreting sensory informatio…
analysis that begins with the sensory receptors and works up…
information processing guided by higher-level mental processe…
sensation
the process by which our sensory receptors and nervous system…
perception
the process of organizing and interpreting sensory informatio…
41 terms
Sensation and Perception
"Perceiving machines" that can negotia…
The following is an application of per…
the following is a reason for studying…
The study of perception can overlap with
have yet to be developed
Developing speech recognition systems.... Treating hearing probl…
To become more aware of your own perceptual experiences.... To p…
medicine.... computer science.... philosophy.
"Perceiving machines" that can negotia…
have yet to be developed
The following is an application of per…
Developing speech recognition systems.... Treating hearing probl…
44 terms
Sensation and Perception
sensation
perception
bottom-up processing
top-down processing
the process by which our sensory receptors and nervous system…
the process of organizing and interpreting sensory informatio…
analysis that begins with the sense receptors and works up to…
information processing guided by higher-level mental processe…
sensation
the process by which our sensory receptors and nervous system…
perception
the process of organizing and interpreting sensory informatio…
36 terms
sensation and perception CH 6 : Color Perception
visual spectrum (visible spectrum
heterochromatic light
monochromatic light
spectral reflectance
the band of wavelengths... from 400 to 700 nm that people with... n…
white light,... consisting of many wavelengths
light... consisting of one wavelength
the ratio of... light reflected by an object at each... wavelength
visual spectrum (visible spectrum
the band of wavelengths... from 400 to 700 nm that people with... n…
heterochromatic light
white light,... consisting of many wavelengths
34 terms
sensation and perception - exam 3 - color perception
perceptual segregation
Functions of color vision
defining color psychologically and phy…
colors can be changed by:
objects pop out from the background based on differences in c…
1. perceptual segregation... 2. disambiguation of illumination c…
-psychological: hue, physical: dominant wavelength... -psycholo…
1. intensity - which changes perceived brightness... 2. saturati…
perceptual segregation
objects pop out from the background based on differences in c…
Functions of color vision
1. perceptual segregation... 2. disambiguation of illumination c…
37 terms
Sensation and Perception
Top-Down Processing
Perceptual Set
Bottom-Up Processing
Absolute Threshold
using models, ideas, and expectations to interpret sensory in…
Is what we EXPECT to see, which influences what we DO see... lo…
taking sensory information and then assembling and integratin…
the minimum level of stimulus intensity needed to detect a st…
Top-Down Processing
using models, ideas, and expectations to interpret sensory in…
Perceptual Set
Is what we EXPECT to see, which influences what we DO see... lo…
46 terms
Sensation and Perception
3 standard definitions of perception
Who does the perceiving?
Where does perceiving take place?
What is/are the fundamental unit(s) of…
. The act of organizing and interpreting sensory input as sig…
Not just an ORGAN, ... but an ORGANISM... YOU do the perceiving, no…
Perceiving takes place ... in an environment ... (e.g.,on a structu…
The fundamental ... unit of perception ... is the organism-... environ…
3 standard definitions of perception
. The act of organizing and interpreting sensory input as sig…
Who does the perceiving?
Not just an ORGAN, ... but an ORGANISM... YOU do the perceiving, no…
44 terms
Sensation and Perception
Bottom-Up Processing
Top-Down Processing
Absolute Threshold
Subliminal Threshold
From your senses to your brain
From your brain to your senses
The minimum stimulation needed to detect a particular stimulu…
When stimuli are below a person's absolute threshold
Bottom-Up Processing
From your senses to your brain
Top-Down Processing
From your brain to your senses
34 terms
Ch 5 Sensation and Perception: The Perception of Color
Three Steps of Color Perception
Color Detection
Color Discrimination
Detection (light must be detected in the eye), Discrimination…
Must of us have three kinds of cones--"short" cones detect lo…
Rods are univariant. They cannot detect differences in color.…
Three Steps of Color Perception
Detection (light must be detected in the eye), Discrimination…
Color Detection
Must of us have three kinds of cones--"short" cones detect lo…
39 terms
Sensation and Perception
Transduction
sensory adaptation
sensory habituation
Sensation
a process in which signals are transformed into neural impulses
decreasing responsiveness to stimuli due to constant stimulat…
our perception of sensations is partially due to how focused…
the activation of our senses (eyes, ears, and so on)
Transduction
a process in which signals are transformed into neural impulses
sensory adaptation
decreasing responsiveness to stimuli due to constant stimulat…
185 terms
Sensation and perception
Definition of sensation
Definition of perception
Adaptation
Absolute Threshold
sensation is the ability to detect a stimulus and perhap's to…
The act of giving meaning to a detected sensation... Perception…
if there is no change in stimulation our senses adapt and we…
is the minimum amount of stimulation necessary for a person t…
Definition of sensation
sensation is the ability to detect a stimulus and perhap's to…
Definition of perception
The act of giving meaning to a detected sensation... Perception…
53 terms
Sensation and Perception
Sensation
Perception
Reception
Receptive field
detecting and responding to sensory information that stimulat…
assigning meaning to incoming sensory information
the process of detecting and responding to incoming sensory i…
the area of space in which a sensory receptor can respond to…
Sensation
detecting and responding to sensory information that stimulat…
Perception
assigning meaning to incoming sensory information
Sensation and Perception
Sensation
Perception
Psychophysics
Absolute Threshold
The stimulation of sense organs
The selection, organization, and interpretation of sensory in…
The study of how physical stimuli are translated to psycholog…
The minimum stimulus intensity an organism can detect 50% of…
Sensation
The stimulation of sense organs
Perception
The selection, organization, and interpretation of sensory in…
73 terms
Sensation and Perception
absolute threshold
binocular cues
blind spot
cochlea
minimal amount of energy required to produce any sensation, 5…
visual messages/cues that require two eyes (retinal disparity…
place on the retina out where the optic nerve leaves the eye,…
snail-shaped structure in the inner ear; contains fluid that…
absolute threshold
minimal amount of energy required to produce any sensation, 5…
binocular cues
visual messages/cues that require two eyes (retinal disparity…
Sensation and Perception
Transduction:
Sensory adaptation:
Sensory habituation (perceptual adapta…
Cocktail-party phenomenon:
the translation of incoming stimuli into neural signals. Neur…
decreasing responsiveness to stimuli due to constant stimulat…
our perception of sensations is partially determined by how f…
if you are talking with a friend and someone across the room…
Transduction:
the translation of incoming stimuli into neural signals. Neur…
Sensory adaptation:
decreasing responsiveness to stimuli due to constant stimulat…
20 terms
Sensation and perception
Fovea
Retina
Lens
Pupil
fine focus region
converts light into neural impulses
fine focusing of the lights onto the retina
opening that regulates the amount of light that hits the retina
Fovea
fine focus region
Retina
converts light into neural impulses
104 terms
Sensation and Perception
Absolute Threshold
Accommodation
Acuity
Anosmia
The minimum stimulation needed to detect a particular stimulu…
(perceptual) - The process by which the eye's lens changes sh…
The sharpness of vision.
The inability to smell.
Absolute Threshold
The minimum stimulation needed to detect a particular stimulu…
Accommodation
(perceptual) - The process by which the eye's lens changes sh…
101 terms
Sensation and Perception
sensation
perception
bottom-up processing
top-down processing
the subjective awareness of a stimulus; the process by which…
the process of organizing and interpreting sensory informatio…
analysis begins withe the sensory receptors and works up to t…
information processing guided by higher-level mental processe…
sensation
the subjective awareness of a stimulus; the process by which…
perception
the process of organizing and interpreting sensory informatio…
81 terms
Sensation and Perception
Sensation
Perception
Bottom Up Processing
Top Down Processing
A process by which our sensory receptors and nervous system r…
A process of organizing and interpreting sensory information
Taking sensory information and then assembling and integratin…
Using models, ideas,and expectations to interpret sensory inf…
Sensation
A process by which our sensory receptors and nervous system r…
Perception
A process of organizing and interpreting sensory information
Sensation Perception
Sensation
Perception
Transduction
Selective Attention
The process by which our sensory receptors and nervous system…
The process of organizing and interpreting sensory informatio…
Conversion of one form of energy into another. In sensation,…
The focusing of conscious awareness on a particular stimulus
Sensation
The process by which our sensory receptors and nervous system…
Perception
The process of organizing and interpreting sensory informatio…
87 terms
Sensation & Perception
sensation
perception
bottom-up processing
top-down processing
the process by which our sensory receptors and nervous system…
the process of organizing and interpreting sensory informatio…
analysis that begins with the sensory receptors and works up…
information processing guided by higher-level mental processe…
sensation
the process by which our sensory receptors and nervous system…
perception
the process of organizing and interpreting sensory informatio…
45 terms
Sensation & Perception - Ch. 9: Perceiving Color
Achromatic color
Additive color mixture
Anomalous trichromat
Cerebral achromatopsia
color without hue; white, black, and all the grays between th…
the creation of colors that occurs when lights of different c…
a person who needs to mix a minimum of three wavelengths to m…
a loss of color vision caused by damage to the cortex
Achromatic color
color without hue; white, black, and all the grays between th…
Additive color mixture
the creation of colors that occurs when lights of different c…
65 terms
Sensation & Perception
Threshold Theory
Signal Detection Theory
Transduction
Sensory Adaptation
A hypothesis regarding group dynamics positing that conflict…
To quantify the ability to discern between information-bearin…
The transforming of stimulus energies, such as sights, sounds…
Diminished sensitivity as a consequence of constant stimulation
Threshold Theory
A hypothesis regarding group dynamics positing that conflict…
Signal Detection Theory
To quantify the ability to discern between information-bearin…
149 terms
Sensation and Perception
Sensation
psychophysics
transduction
sensory adaptation
trying to get physical stimuli into the brain through sensory…
study of how physical stimuli are translated into a psycholog…
transformation of physical energy into neural energy.... physica…
our senses are specialized to detect change (adaptive cuz cha…
Sensation
trying to get physical stimuli into the brain through sensory…
psychophysics
study of how physical stimuli are translated into a psycholog…
30 terms
Sensation & Perception
Homunculus
Sensation
Synesthesia
Chemical Senses
Your brain's map of your body
Bringing in information through your senses.
This condition caused Sam to see the color yellow every time…
Sam's is confused when he hangs upside down from the tree bra…
Homunculus
Your brain's map of your body
Sensation
Bringing in information through your senses.
77 terms
Sensation and Perception
talk about Alan Turing
Why study sensation & perception
sensation - raw
perception - meaningful
- Turing Test: a test of a machine's ability to exhibit intel…
- understand the most complex system aka the brain... - cognitiv…
- bright... - sweet... - red
- this cookie is sweet... - the rose is red and smells great
talk about Alan Turing
- Turing Test: a test of a machine's ability to exhibit intel…
Why study sensation & perception
- understand the most complex system aka the brain... - cognitiv…
101 terms
Sensation and Perception
sensation
perception
bottom-up processing
top-down processing
the subjective awareness of a stimulus; the process by which…
the process of organizing and interpreting sensory informatio…
analysis begins withe the sensory receptors and works up to t…
information processing guided by higher-level mental processe…
sensation
the subjective awareness of a stimulus; the process by which…
perception
the process of organizing and interpreting sensory informatio…
54 terms
sensation and perception exam 2
contrast
contrast acuity
lateral geniculate nucleus (LGN)
topographical mapping of LGN
difference in luminance between an object and the background…
the smallest spatial detail that can be resolved
a structure in the thalamus, part of the mid-brain, that rece…
the orderly mapping of the world in the lateral geniculate nu…
contrast
difference in luminance between an object and the background…
contrast acuity
the smallest spatial detail that can be resolved
Sensation and Perception
sensation
perception
bottom-up processing
top-down processing
the process by which our sensory receptors and nervous system…
the process of organizing and interpreting sensory informatio…
analysis that begins with the sensory receptors and works up…
information processing guided by higher-level mental processe…
sensation
the process by which our sensory receptors and nervous system…
perception
the process of organizing and interpreting sensory informatio…
66 terms
Sensation & Perception
Sensation
Perception
Bottom-up Processing
Top-up Processing
The process by which we receive physical energy from the envi…
The process of organizing and interpreting sensory informatio…
Analysis that begins with the sensory receptors and works up…
Information processing guided by higher-level mental processe…
Sensation
The process by which we receive physical energy from the envi…
Perception
The process of organizing and interpreting sensory informatio…
Sensation and Perception
Sensation
Perception
Bottoms up processing
Top down processing
sensory receptors and nervous system receive and represent st…
Interpreting sensory information
Sensory receptors and works its way up of processing
Processing guided by higher level of mental processing
Sensation
sensory receptors and nervous system receive and represent st…
Perception
Interpreting sensory information
Sensation and Perception
Sensation
Perception
Absolute Threshold
Signal Detection Theory
The process by which our sensory receptors and nervous system…
The process of organizing and interpreting sensory informatio…
The minimum stimulation needed to detect a particular stimulu…
A theory predicting how and when we detect the presence of a…
Sensation
The process by which our sensory receptors and nervous system…
Perception
The process of organizing and interpreting sensory informatio…
64 terms
Sensation and Perception
sensation
perception
bottom-up processing
top-down processing
the process by which our sensory receptors and nervous system…
the process of organizing and interpreting sensory informatio…
analysis that begins with the sensory receptors and works up…
information processing guided by higher-level mental processe…
sensation
the process by which our sensory receptors and nervous system…
perception
the process of organizing and interpreting sensory informatio…
Sensation and Perception
sensation
perception
bottom-up processing
top-down processing
the process by which our sensory receptors and nervous system…
the process of organizing and interpreting sensory informatio…
analysis that begins with the sensory receptors and works up…
information processing guided by higher-level mental processe…
sensation
the process by which our sensory receptors and nervous system…
perception
the process of organizing and interpreting sensory informatio…
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