Shared Flashcard Set

Details

sensation and perception
All chapters
157
Psychology
Undergraduate 3
12/07/2011

Additional Psychology Flashcards

 


 

Cards

Term
Retina
Definition
The layer of photosensitive cells on the back of the eye
Term
The psychological theory associated with laws for grouping features "the whole is better than the some"
Definition
Gestalt law
Term
Y, Arrow, T
Definition
The 3 ypes of junctions used in the modeals of guzman and clowes
Term
Herman grid illusion and Mach Band Illusion
Definition
Visual illusion resulting from the lateral inhibition in receptive fields
Term
 A theory of object recognition in which an image is compared to prototypes in memory
Definition
Template Matching
Term
Law of continuity
Definition
Gestalt law that explains why we experience subjective contours
Term
Max stair height percievers reported being able to climb without using their hands
Definition
.88L
Term
Visual information travels here on its way to the visual cortex
Definition
Lateral Geniculate Nucleus
Term
Motion Parallax
Definition
A cue for depth that comes from the optical flow associated with the moving head.
Term
1/distance (in meters)
Definition
The formula for calculating diopters
Term
The approximate number of rods in each eye
Definition
120 million
Term
Number of cones in the eye
Definition
8 million
Term
Where are the cones located in the eye
Definition
The fovea
Term
Patient D.F. experienced damage to this pathway which left her unable to perceive orientation bur can put a letter in the slot
Definition
Ventral pathway
Term
Far sightedness (hyperopia)
Definition
Individuals with reading glasses likely to experience this visual defect
Term
Blindsight
Definition
A visual deficit associated with damage to the visual cortex
Term
The smallest receptive fields come from receptors at this location of the retinal
Definition
The fovea
Term
Dorsal Pathway
Definition
The pathwaythat connects the visual cortex to the parital lobe (near the motor cortex)
Term
The four types of pressure receptors
Definition
Merkel receptors, meissner corpuscles, ruffini cylinder, pacinian corpuscles
Term
***efference
Definition
Action based mechanism (outflow) in which copies of the commands to the muscles compared to visual input
Term
Newborns have difficult seeing these colors
Definition
Blues (Short wavelengths)
Term
****Law of pragnanz
Definition
Gestalt law stating that we tend to adopt the simplist interpretation of this scene
Term
Monkeys subjected to this manipulation experienced a decrease in the amount of sensory cortex devoted to the middle finger
Definition
Amputation
Term
94% of the 20-year-olds and 6% of 80-year-olds have this visual acuity or better
Definition
20-20
Term
Bifocals
Definition
The type of glasses prescribed for presbyopia
Term
2 point threshold
Definition
This threshold is determined by the sixe of the receptive fields for our pressure receptors
Term
Place theory
Definition
A theory of pitch perception based on the observation that the basilar membrane vibrates in one location for each frequency
Term
Doppler effect
Definition
While a sound source approaches you, the percieed frequency of sound will increase
Term
Henning proposed that there were 6 basic dimensions to this sense
Definition
Smell
Term
As a sound source moves further away, you percieve this change in amplitude
Definition
Decrease in amplitude
Term
****hypercolumns
Definition
Cells in the visual cortex are organized into these structures, based on ocular dominance, the location of receptive field, and orientation selections
Term
In both the muller-lyer and ponzo illusions, perceived depth is manipulated to create an illusion of this perception
Definition
Size
Term
Stereopsis (binocular disparity)
Definition
in hearing, differences in the time and amplitude between the ears are used to perceive location. this is the equivalent cue in vision
Term
Beyond the horopter
Definition
Perceivers experience uncrossed disparity for objects at this distance
Term
Ossicles
Definition
3 bones of the middle ear
Term
***pupil
Definition
hole that allows light to enter the eye
Term
Filiform, circumvallette, foliate, and fungiform are all associated with this sense
Definition
taste
Term
The units for measuring amplitude
Definition
Decibels
Term
Pressure
Definition
a sound wave consists of changes in this property over time
Term
hertz is calculated in these units
Definition
cycles per second
Term
cochlear
Definition
the curled snail-like structure in the inner ear
Term
2 types of hair cells on the basilar membrane
Definition
inner and outer
Term
Acoustic reflex
Definition
in loud environments, this process is triggered in the middle ear to protect the inner ear
Term
Names of the ossicles
Definition
hammer, anvil, and stirrup
Term
the formula for calculating decibels
Definition
db=20log(p1/p0)
Term
Characteristic of a sound wace that corresponds to pitch
Definition
frequency
Term
Basilar Membrane
Definition
this structure vibrates in different locations for different frequencies
Term
2 features of a sound wave that determines perveived loudness
Definition
frequency and loudness
Term
1,000hz
Definition
our absolute threshold is zero db for this tone
Term
von bekesy built an artifical version of this in order to study pitch perception
Definition
Basilar membrane
Term
The ear is divided into these 3 sections
Definition
outer, middle, inner
Term
3 papillae that contain taste buds
Definition
foliate, circumvalletter, and fungiform
Term
3 qualities perceived by cutaneous touch
Definition
pressure, temperature, pain
Term
high frequency tones vibrate the basilar membran more at this location
Definition
the base
Term
oval window
Definition
structure 20x smaller than the tympanic membrane, causing sounds to be amplified
Term
all of the zones that sit along one equal loudness contour will appear to be identical on this perceived dimension
Definition
loudness
Term
place theory was originally proposed by this scientist in 1863
Definition
herman von helmholtz
Term
presbyopia
Definition
a visual deficit that is often corrected with bifocals
Term
both taste and smell respind to this type of stimulus
Definition
chemica
Term
nociceptors
Definition
pain receptors
Term
2 differences between the sounds in each ear that are used to localize sounds
Definition
time and loudness
Term
number of dimesnions of smell in hennings smell prism model
Definition
6
Term
pressure receptors
Definition
stimulating these receptrs will produce analgesia
Term
habituation technique
Definition
technique for studying infance perception that begins by having the infant get bored looking at a stimulus
Term
olfactory epithelium
Definition
location of receptors for smell
Term
orbitofrontal cortex
Definition
taste and smell connect in this area of the brain
Term
newborn can see up to this distance
Definition
20 cm, 10 in
Term
pacinian corpuscles
Definition
pressure receptors licated deep within the skin, intestines, and joints
Term
pinna
Definition
researchers investigated how we perceive vertical lovation of sound by manipulating this part of the ear
Term
heat is felt when these receptors are stimulated
Definition
warm and cold
Term
precedence effect
Definition
our brain sipresses later arriving sounds (i.e. echoes) and only passes the first sound to reach our ear onto consciousness
Term
the age at which infancts show a preference for their moms face
Definition
1 month
Term
the doppler effect creates increases in thise feature of a sound as the sound approaches
Definition
doppler effect
Term
cutaneous touch
Definition
the type of touch usuing receptors in the skin
Term
monaural characteristic of a tone that provides information about how far away the sound source is
Definition
loudness (amplitude)
Term
Part of the ear on the outside of the head
Definition
pinna
Term
10,000 hz
Definition
the highest frequency sound that we can hear
Term
top down
Definition
cognitive processes interpret retinal image
Term
muller-lyer illusion
Definition
top down
Term
assume perception driven by data available
Definition
bottom up
Term
feature dection theory
Definition
bottom up
Term
template matching
Definition
object recognition assumes normalization before comparing
Term
any retinal image comes from infinite objects
Definition
inverse projection problem
Term
palmers obkect recognition experiment improved with what
Definition
context
Term
segmentation problem
Definition
computer scientists 1st, features into objects
Term
language-like description recongize object from different perspective
Definition
structural description
Term
clowes arrow intersections
Definition
convex edge
Term
motion parallax (distant)
Definition
distant items move in the same direction as you
Term
horopter
Definition
no difference between 2 images
Term
pictoral cues
Definition
artists use this to show depth
Term
depth perception cues on retinal image unconsciously
Definition
hemholtz
Term
object recogntion proposes recogntion by single feature
Definition
key stimulus
Term
affordence
Definition
objects dimensions vs. your body
Term
size-distance invariance
Definition
size of image constant ration for size and distance
Term
cue not used to perceive depth
Definition
size
Term
holway and boring
Definition
researchers depth used for size
Term
all identical on this measure
Definition
retinal image
Term
misplaced size constancy illusion
Definition
muller-lyer, ponzo, shepard and aimes illusion
Term
figure made appear at distance appears smaller
Definition
closer
Term
railroad track illusion
Definition
ponzo illusion
Term
aimes illusion
Definition
2 figures identical retianl image appear at different distances
Term
moon belief, moon more distant at
Definition
horizon
Term
porportion of lower leg
Definition
.56l
Term
optimal seat height
Definition
.56l
Term
add 10cm caused increase
Definition
optimal seat height
Term
optimal stair height
Definition
.88l
Term
ball linear eventually
Definition
hit you
Term
long jumpers approach
Definition
controlled
Term
cancel movement of the retinal image
Definition
efference (outflow)
Term
"how does the visual system match up the disparate retinal images for bonocular depther perception
Definition
correspndence problem
Term
emmert's law
Definition
apparent distance of after image
Term

lee and aronsons moving room maintain balance in

 

Definition
vision
Term
long jumpers control stride and foot position
Definition
vertical impuse (or force)
Term
order of colors in visible light spectrum
Definition

roygbiv

 

red, orange, yellow, green, blue, indigo, violet

Term
3 similarities indentified by the camera metaphor
Definition
lens, photoreactive film, focus
Term
the layer of photosensitive cells inside the eye
Definition
retina
Term
this color reflects up to 90% of light
Definition
white
Term
the entire left visual system is on this side of the brain
Definition
right hemesphere
Term
rod-cone break
Definition

the point on the dark adaption curve occurring after 8 minutes in the dare0 where threshold begins dropping again quickly

 

Term

near sightedness

 

Definition
a common disorder in which an image is focoused unsided the eye infront of the retina
Term
a pehnomenon associated with having lost the visual cortex
Definition
blindsight
Term
the wavelength of light corresponding to violet
Definition
400 or 450
Term
the 3 illusions resulting from lateral inhibition that were presented in your textbook
Definition
herman grid illusion, the mach band illusion, simultaneous contrast
Term
convergence
Definition
a term to describe the neural netwoeking of which produces receptive fields
Term
relative to zero diopters, the light refelected off the surgace always has this divergence
Definition
less than zero diopters
Term
the fovea
Definition
the location on the retina where we have the highest acuity
Term
the four tpes of cells that we refer to as collector cells
Definition
retinal ganglion cells, amacrine, bipolar, horizontal
Term
decartes pulled back this layer of white tissue to reveal an inverted retinal image
Definition
the sclera
Term
3 possible responses that could be observed when light falls on a cells receptive field
Definition
excitation, inhibtion and no effect
Term
2 structures bend light to form an image
Definition
lens and cornea
Term
neurons in the fovea that allow us to see colors and details in bright light
Definition
cones
Term
receptive field
Definition
group of photoreceptors that connect to a single cell further along two visual pathways
Term
red, green, blue
Definition
3 types of cones
Term
3 opponent processing channels that give rise to color after images
Definition
black-white, blue-green, red-orange
Term
hue
Definition
characteristics of color refers to the difference between red and green
Term
LGN
Definition
80% of neurons in optic tract connect here before sending to the visual cortex
Term
embboghause illusion
Definition
in intact humans, this illusion is present in perception but not action
Term
superior colliculus
Definition
area of visual system responsible for ambient vision
Term
pathway leads from visual cortex to language areas
Definition
VENTRAL PATHWAY
Term
deutopioia
Definition

color deficiency in which an individual is missing the m cones

 

Term
geniculo-striate pathway
Definition
visual pathway through the lgn to the visual cortex
Term
retinal topic mapping
Definition
the organization of cells in visual cortex (and lgn) in which adjacent regions on the retinal image are processed in adjacent areas in the visual cortex
Term
binocular cues
Definition
unlike neurons in LGN, these neurons in the visual cortex receive unpit from both eyes
Term
superior colliculus
Definition
research shows hamsters with this area of their brain removed are abe to recognize patterns but unable to distinguish left and right
Term
hypertopia
Definition
common problem with vision often correxted by perscribing glases with a positive lens
Term
preference for moms face
Definition
1 month
Term
preference for intact faces
Definition
2 months
Term
near sightedness
Definition
myopia
Term

calculation for sensitivity

 

Definition
1/threshold
Term

 

Kittens raised in an environment (e.g., wearing goggles) where they only experience one type of contour (e.g., vertical)

 

Definition

 

Decreased acuity for contours not experienced during development
Decreased responding for contours not experienced during development

 

Term
Active Visual Experience
Definition

 

One kitten pulls another in a trolley

 

Same visual experience, but only one is active

 

Term
Law of similarity
Definition
features that are similar are seen to belong together
Term
law of proximity
Definition
features that are close together are seen to belong together
Term
law of closure
Definition
features that enclose an area are seen to belong together
Term
law of continuity
Definition
features that form a continuous line are seen to belong together
Supporting users have an ad free experience!