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24 Cards in this Set
- Front
- Back
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Olfaction
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the sense of smell
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Aromatherapy
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the ability of diffrent fragrences to effect our moods
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How does smell work
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limited reaserch, but we do know that smell molecules stimulate receptor cells in the nasal passage and then travel to the olfactory nerves to the frontal lobes
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seven types of smells
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Ethereal(drycleaning fluid),Camphoraceous( mothballs), pepperminty, musk, floral, pungent, putrid
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stereochemical theory
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smell receptros responsive to particular odors are sensative to molecules of specific sizes, shapes, or electrical charges
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pheromones
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secretions which highten sexual behavior in animals
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tast
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gustation
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taste buds
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line the grooves between bumps called papillae on the surface of the tounge. Die and are replaced every few days.
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Avecenna
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determined that there were four types of tastes, sweet(S), sour(S), salty(B), and bitter(B)
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flavor
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relies on both taste and smell
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skin senses
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can detect touch, temp, and pain with one cell and relay info to the samosensory cortex
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pain receptors
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called nociceptors are free nerve endings in the skin
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two kinds on neural fibers
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A-delta fibers and C fibers
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brandykinin
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a chemical that accumulates at the sire of an injury or inflamation
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periaquedtal gray
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is an important pain-processing center
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gate-control theory
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pain inpulses from the limbs or body pass through a part of the spinal cord that provides a "gate" for pain impulses
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acupuncture
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believed to cause the realese of endorphines which causes pain realease
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TENS
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electrical stimulation of sites on the body
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Naloxone
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a drug that blocks the effects of opiates
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Kinesthetic sense
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informs you on the position of the joints, the tension in your muscles, and the movement in your arms and legs
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Vestibular sense
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depends on organs in the inner ear, informs you of your heads position in space, helping you maintain your balance and orientaion
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Otolith paths
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detect horizontal or vertival linear movment of the head adn help you orient yourself
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semicircular canals
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fluid filled tubes
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vestibulo-ocular reflex
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compensates for rotary head movements by moving the eyes a propartionate amount in the oppistite direction
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