psych 4

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chemicals stimulate thousands of receptors in mouth, located on the tongue cheek throat and roof

gustation
receptor cells inside taste buds (500-10000)

papillae
main tastes

salty sour sweet bitter
attractivness of food effected by texture color and temp

mothfeel
after age __ taste buds decrease

40
sense of smell

olfacation
process of smell
1
2
3
4
5
- 1.molecules draw to nose
- 2.settle into mocous membrane at the top of each nostril
- 3.absorbed by receptors
- 4.cells linked to olfactory bulb send msges to brain
- 5.through amygdala-hypocampus
who has the worst sense of smell?

smokers
humans have about ____ yards of skin

2 square
basic senses of skin
- touch
- warmth
- cold
- pain
senses are felt by ___ in skin

nerve endings
some pain messages have a higer priority and must get through the gate in the spinal cord

gate control theory (ronald mezlack and patrick wall)
amputees fell pain in the removed limn

phantom pain
refutes the gate control theory

phantom pain
the sense of body position and movement

kinesthesis
eqilibrium,, related to inner ear

vestibular
visual cliff experiment
- gibson and walk
- 6 months have ability
without certain experiences during early life the cells in the nervous sytem deteriorate and perception is impared

critical period
people from noncarpentered cultures arnet fooled by:

muller lyer vision
arist that used percepter

M.C esher