Sensation

Question 1

sensation

Answer 1

detection of energy in the environment and converting it into a neural impulse

Question 2

perception

Answer 2

the representation, organization, and interpretation of information in the brain

Question 3

bottom-up processing

Answer 3

progression from individual elements to the whole in form perception

Question 4

top-down processing

Answer 4

progression from whole to its individual elements in form perception

Question 5

absolute threshold

Answer 5

minimum stimulation detected

Question 6

detection

Answer 6

sensory process + decision

Question 7

just noticeable difference

Answer 7

the smallest difference detected between two similar objects

Question 8

Weber’s Law

Answer 8

more background means more stimulation needed to detect a difference

Question 9

sensory adaptation

Answer 9

decreased receptor response after a prolonged unchanged stimulation

Question 10

visible light spectrum

Answer 10

the range of wavelengths that the human eye can detect

400-750 nm

Question 11

light properties

Answer 11

wave frequency, amplitude, and purity

Question 12

structures of the eye

Answer 12

retina
pupil
iris
cornea
lens
optic nerve

Question 13

rods

Answer 13

visual receptors that are responsive to dull light

have a key role in night vision and peripheral vision

Question 14

cones

Answer 14

visual receptors that code for color and detail

have a key role in daylight vision and color vision

Question 15

light wave frequency

Answer 15

light property that codes for color

Question 16

light wave amplitude

Answer 16

light property that codes for brightness

Question 17

light wave purity

Answer 17

light property that cods for saturation

Question 18

sound properties

Answer 18

wave frequency, amplitude, and complexity

Question 19

sound wave frequency

Answer 19

sound property that codes for pitch

Question 20

sound wave amplitude

Answer 20

sound property that codes for loudness

Question 21

complexity

Answer 21

sound property that codes for timbre

Question 22

structures of the ear

Answer 22

pinna
auditory canal
ossicles
eardrum
auditory nerve 
cochlea

Question 23

adaptive functions of smell

Answer 23

attraction 
repulsion
memory
lust
hunger
spirituality

Question 24

olfactory cilia

Answer 24

olfactory receptors that are hairlike and are located in the upper portion of the nasal passages

Question 25

tastes we detect

Answer 25

``` sweet salty sour bitter unami ```

Question 26

sweetness

Answer 26

taste that indicates an energy source

Question 27

saltiness

Answer 27

taste that indicates sodium

Question 28

sourness

Answer 28

taste that indicates a potential toxic acid

Question 29

bitterness

Answer 29

indicates a potential poison

Question 30

unami

Answer 30

indicates a protein source

Question 31

gustatory receptors

Answer 31

clusters of taste cells found in the taste buds

Question 32

feelings coded through touch

Answer 32

touch temperature pressure pain

Question 33

touch receptors

Answer 33

thermoreceptor Meissner's corpuscle nociceptor pacinian corpuscle

Question 34

thermoreceptor

Answer 34

senses heat or cold

Question 35

Meissner's corpuscle

Answer 35

senses touch

Question 36

nociceptor

Answer 36

senses pain

Question 37

pacinian corpuscle

Answer 37

sense pressure

Question 38

lens

Answer 38

focuses the light rays falling on the retina | is transparent

Question 39

iris

Answer 39

regulates the amount of light entering the eye

Question 40

pupil

Answer 40

opening the center of the iris that allows light to pass into the back of the eye

Question 41

retina

Answer 41

neural tissue lining the inside back surface of the eye absorbs light processes images sends visual information to the brain

Question 42

optic nerve

Answer 42

sends sensory information to the brain's visual cortex

Question 43

cochlea

Answer 43

coiled tunnel that houses the receptors for hearing

Question 44

pinna

Answer 44

collects sounds

Question 45

eardrum

Answer 45

membrane that vibrates in response to sounds

Question 46

ossicles

Answer 46

3 tiniest bones in the body - hammer, anvil, and stirrup | amplifies tiny changes in air pressure

Question 47

auditory canal

Answer 47

funnels sound waves to the eardrum

Question 48

auditory nerve

Answer 48

sends sensory information to the brain