Psych-Soc-VISUAL

Question 1

retinal disparity

Answer 1

eyes are 2.5 inches apart

Question 2

Convergence

Answer 2

contraction of eyes

Question 3

when thins are close to us our eyes are __

Answer 3

contract

Question 4

wen things are further from us our eyes__

Answer 4

relax

Question 5

interposition of objects make them seem to __

Answer 5

overlap

Question 6

the relative height of objects - the higher something is the c/f it seems

Answer 6

farther

Question 7

motion parallax refers to the movement of objects such that the farther aways the __ i moves

Answer 7

slower

Question 8

constancy refers to the __ perception of actually changing objects

Answer 8

unchanging

Question 9

the inner ear muscle during high noise

Answer 9

contract

Question 10

after touching the temperature receptors are __

Answer 10

desensitized

Question 11

once you are smelling something your olfactory receptors get __

Answer 11

desensitized

Question 12

proprioception helps you __

Answer 12

understand where and in what position your body is through muscular spindles connecting to spinal nerves sending signal to your brain about muscle relaxation that allows your brain to unconsciously understand your position and keeps you in balance

Question 13

down regulation

Answer 13

adaptation

Question 14

down regulation and adaption refer to

Answer 14

not sending more sensory signals about the same stimulus after a while so that the brain is not overwhelmed

Question 15

up regulation

Answer 15

amplification

Question 16

up regulation and amplification refer to

Answer 16

the strengthening of a single stimulus into a stronger one

Question 17

adaptation/down regulation of sight

Answer 17

pupils constrict, rods and cones become desensitized by high amount of light

Question 18

amplification/up regulation of sight

Answer 18

pupils dilate in darkness until your are in dark

Question 19

Weber’s law describes the__

Answer 19

the minimum change in stimulus for it to be noticeable at 10% of the original amount you notice it

Question 20

absolute threshold is the __

Answer 20

minimum strength or amount of stimulus needed for a person to sense. for example if you touch me with very light force such as 0.0001N i wont feel it, but if you touch me with anything above 0.2N i will feel it.

Question 21

absolute threshold can be influenced by 4 factors

Answer 21

MAXE

Motivation, Alertness, Xpectation, Experience,

Question 22

subliminal stimuli

Answer 22

stimulus that is so small that you can’t feel it

Question 23

Vestibular system is in __, and is responsible for __ and __.

Answer 23

inner ear, semicircular canals, balance and spatial orientation

Question 24

in the vestibular system our semicircular canals in the inner ears are filled with __

Answer 24

endolymph

Question 25

endolymph is a gel like liquid that houses __ and __

Answer 25

crystals and hair cells

Question 26

Ca crystals position in regards to our spatial orientation and pull on __ which helps in __

Answer 26

hair cells | understanding spatial orientation

Question 27

bottom up processing

Answer 27

stimulus influences perception

Question 28

top down processing

Answer 28

background knowledge influences perception

Question 29

gestalt principles

Answer 29

``` similarity pragnanz proximity continuity closure ```

Question 30

gestalt-similarity principle

Answer 30

similar items are grouped together in the most ordered fashion

Question 31

gestalt-pragnanz principle

Answer 31

reality is organized to the simplest forms like the olympic circles

Question 32

gestalt-proximity principle

Answer 32

objects closer to one another are grouped together

Question 33

gestalt-continuity principle

Answer 33

lines are following the most continuous smoothest path

Question 34

gestalt-closure principle

Answer 34

objects grouped together are seen as a whole picture rather than individual items

Question 35

conjuctiva of the eye

Answer 35

epithelial outer lining of the eye

Question 36

cornea

Answer 36

transparent thick sheet of tissue under the conjunctiva | bends the light

Question 37

aqueous humor

Answer 37

salty water filling the anterior chamber of the eye

Question 38

anterior chamber

Answer 38

water chamber of the eye

Question 39

pupil

Answer 39

biconvex lenses and iris make it up it is a hole that can change shape based on the proximity and light because or iris muscle

Question 40

pupil contracts in __ proximity and __ light

Answer 40

close | high

Question 41

pupil relaxes in __ proximity and __ light

Answer 41

far | low

Question 42

lens

Answer 42

biconvex | bends the light so it goes to the back of the eye ball

Question 43

ciliary body

Answer 43

secretes the aqueous humor | made up of suspensory ligaments and ciliary muscle

Question 44

posterior chamber

Answer 44

area behind ciliary muscle filled with aqueous humor

Question 45

iris

Answer 45

part of he eye that is colored | are muscles that contract and expand to control the size of the pupil

Question 46

vitreous chamber

Answer 46

filled with vitreous humor that is like the aqueous humor with some added protein that makes it a little jelly-like provide structure to the eye

Question 47

retina

Answer 47

it is red colored entire back of the eye-ball composed of photoreceptors made up of macula and fovea

Question 48

macula of retina

Answer 48

rich in cones

Question 49

fovea of the retina

Answer 49

completely covered in the cones NO RODS

Question 50

optic nerve

Answer 50

nerve getting signal from the retina sending the message to the brain

Question 51

choroid

Answer 51

pigmented black in humans no pigmentation in animals so it can reflect light-enhancing night vision network of blood vessels nourishes cells of the eye

Question 52

sclera

Answer 52

whites of the eye

Question 53

cones

Answer 53

help you see in more details

Question 54

what is light?

Answer 54

electromagnetic wave part of a large spectrum | 400-700nm

Question 55

light enters pupil and goes to the retina which contains in __ and __

Answer 55

rods and cones

Question 56

rods are responsible for __

Answer 56

sensing ligth

Question 57

cones are responsible for __

Answer 57

sensing colors

Question 58

rods in the dark are turned __

Answer 58

on

Question 59

rods in the light are turned __

Answer 59

off

Question 60

when the rod is off it activates __ , which then activates __ which enters the __ to reach the __

Answer 60

bipolar cell ganglion optic nerve brain

Question 61

3 types of cones

Answer 61

red, blue, green

Question 62

almost all cones are located in the __ of the __

Answer 62

fovea of the retina

Question 63

main protein in rods

Answer 63

rhodopsin

Question 64

what turns off the rod cells

Answer 64

the closing of Na channels in rods which hyper-polarizes the cell

Question 65

what is a photoreceptor

Answer 65

a cell that can convert light into a neuronal signal

Question 66

``` cones detect colors color sensitivity of our cones red__ green __ blue__ ```

Answer 66

60% 30% 10%

Question 67

rods have __ recovery time | cones have __ recovery time

Answer 67

slow | fast

Question 68

in the blind spot

Answer 68

there are no rods or cones

Question 69

rods can be found

Answer 69

retina/outside of the fovea on its periphery

Question 70

cones can be found

Answer 70

retina/in the fovea

Question 71

optic chiasm

Answer 71

where the eft and the right optic nerve converge in the brain

Question 72

left visual image is processed in the __ side of the brain

Answer 72

right

Question 73

right visual image is processed in the __ side of the brain

Answer 73

left

Question 74

parvo pathway

Answer 74

spatial recognition high spatial resolution-used for static objects low temporal resolution- can't detect details of a moving object

Question 75

trichromatic theory

Answer 75

serves as a feature detection devise which encompasses the | color, parvo and magno pathway

Question 76

parallel processing

Answer 76

seeing colors, movement and shape of an image all at the same time simultaneous visual processing

Question 77

magno pathway

Answer 77

high temporal resolution- can see details about moving objects low spatial resolution- can't see details about localized objects