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chemicals stimulate thousands of receptors in mouth, located on the tongue cheek throat and roof
gustation
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receptor cells inside taste buds (500-10000)
papillae
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main tastes
salty sour sweet bitter
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attractivness of food effected by texture color and temp
mothfeel
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after age __ taste buds decrease
40
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sense of smell
olfacation
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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
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who has the worst sense of smell?
smokers
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humans have about ____ yards of skin
2 square
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senses are felt by ___ in skin
nerve endings
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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)
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amputees fell pain in the removed limn
phantom pain
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refutes the gate control theory
phantom pain
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the sense of body position and movement
kinesthesis
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eqilibrium,, related to inner ear
vestibular
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visual cliff experiment
- gibson and walk
- 6 months have ability
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without certain experiences during early life the cells in the nervous sytem deteriorate and perception is impared
critical period
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people from noncarpentered cultures arnet fooled by:
muller lyer vision
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arist that used percepter
M.C esher
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