Psychology Chapter 5: Perception And Sensation

Front 1

Visible light

Back 1

one part of the spectrum of all electromagnetic energy

Front 2

The parts of visible light are? and what do they deal with?

Back 2

1) wavelength-color
2)intensity-brightness

Front 3

Visible light enters the eye through the ____, ___, and ____

Back 3

cornea, pupil, and lens

Front 4

When lights strikes the retina it creates?

Back 4

neural impulses

Front 5

Rods are sensitive to?

Back 5

low light

Front 6

Cones are sensitive to?

Back 6

fine details

Front 7

ganglion cells have receptive fields that?

Back 7

1) input info received from many cells
2)only responds to a particular pattern

Front 8

ganglion cells have center-surround fields that?

Back 8

respond to light in MIDDLE

Front 9

Neural messages travel to the brain via the ____ ____?

Back 9

optic nerve

Front 10

visual cortex picks out and identifies components called ____?

Back 10

features

Front 11

how many cones are in the retina?

Back 11

three

Front 12

wavelengths correspond to?

Back 12

blue, green, and red

Front 13

when you see a color it is seen because?

Back 13

the color is sensed by comparing amount of activation coming from each type

Front 14

some color blindness is caused because?

Back 14

thre is the wrong kind of photopigment in cones.

Front 15

True or False
The trichomatic theory can explain everything about color vision

Back 15

false

Front 16

Why do we see afterimages of complemetary colors?

Back 16

receptors in visual system respond positively to one color and negatively to that complementary color

Front 17

proximity

Back 17

elements that are close to each other seen as being part of the same object

Front 18

similarity

Back 18

items sharing physical properties are put into the same set

Front 19

closure

Back 19

figures with gaps or small missing parts of the border are seen as complete

Front 20

good continuation

Back 20

lines that are interupted are seen as continously flowing

Front 21

common fate

Back 21

things moving in the same direction are seen as a group

Front 22

The recognition by compenents theory is?

Back 22

objects are broken down into geometrical forms before identifying whole object

Front 23

things that are monocular or binocular require input from how many eyes?

Back 23

monocular-one eye
binocular- 2 eyes

Front 24

all neurons respond to movement? true or false?

Back 24

false...only a special set of neurons

Front 25

sometimes we perceive motion when there isn't any?

Back 25

true

Front 26

cues contribute to?

Back 26

movement perception

Front 27

when we see things...what two elements stay consistent?

Back 27

size and shape

Front 28

the disadvantage for keeping size and shape consistent is that?

Back 28

there is an inappropriate interpretation of physical reality

Front 29

sound is ____ energy?

Back 29

mechanical

Front 30

what is medium is required for it to move?

Back 30

water or air

Front 31

sound is caused by a ____?

Back 31

vibrating stimulus

Front 32

frequency

Back 32

is how fast a stimulus moves

Front 33

pitch is

Back 33

high and lows

Front 34

amplitude

Back 34

is the intensity ofthe vibrations

Front 35

in the outer ear...the sound funnels from the _____ toward the ____?

Back 35

pinna
eardrum

Front 36

the middle ear consists of __ bones that vibrate

Back 36

3

Front 37

the innear ear has vibrations that are sent to the _____?

and the hair cells on the basiliar membrane send signals to the ____?

Back 37

cochlea
brain

Front 38

High pitch= ______ impulse
low pitch= _______ impulse

Back 38

faster
slower

Front 39

amplitude

Back 39

is the intensity ofthe vibrations

Front 40

in the outer ear...the sound funnels from the _____ toward the ____?

Back 40

pinna
eardrum

Front 41

the middle ear consists of __ bones that vibrate

Back 41

3

Front 42

the innear ear has vibrations that are sent to the _____?

and the hair cells on the basiliar membrane send signals to the ____?

Back 42

cochlea
brain

Front 43

High pitch= ______ impulse
low pitch= _______ impulse

Back 43

faster
slower

Front 44

Place theory

Back 44

pitch is determined by where hair cells are placed on the basiliar membrane

Front 45

Frequency theory

Back 45

pitch is determined by frequency of impulses coming from the hair cells

Front 46

to localize sounds, we compare messages between two ears _______ and ____?

Back 46

time of arrival and intensity

Front 47

Touch

When stimulate by pressure, receptor cells in skin send messages to __________ cortex? (parietal lobe)

Back 47

somatosensory

Front 48

the feelings from the right had go to the _____ cortex?

Back 48

left

Front 49

Tempurature

your skin tells the difference of tempature between things because it has ?

Back 49

cold and warm fibers

Front 50

you sense pain because the adaptive reaction by the body to stimuli was?

Back 50

intense enough to cause tissue damage

Front 51

the Gate-control theory

Back 51

impulses from pain receptors can be blocked by the spinal cord

Front 52

olfaction

Back 52

smell

Front 53

gustation

Back 53

taste

Front 54

What causes taste?

Back 54

receptor cells on tongue respond to sweet, bitter, salty, and sour tastes

Front 55

What causes smell?

Back 55

the receptor cells in upper part of nasal cavity send messages to olfactory bulb

Front 56

What are pheromones?

Back 56

chemicals that cause highly specific reactions when detected by other members of the species

Front 57

absolute threshold

Back 57

intensity level at which people detect the stimulus 50% of the time

Front 58

signal detection technique

Back 58

used to determine detection ability

compares hits to false alarms
and
correct rejections to misses

Front 59

Just Noticeable Difference

Back 59

how much it has to change for you to notice it

Front 60

weber's law

Back 60

ability to notice a difference in 2 stimuli is a constant proportion of the size of the standard stimuli

Front 61

sensory adaptation

Back 61

tendency of sensory systems to reduce sensitivity to a stimulus source that remains constant