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24 Cards in this Set

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