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28 Cards in this Set

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The technical term for the sense of hearing.
audition
The intensity (or amplitude) of a sound wave, measured in decibels.
loudness
The intensity or amount of energy of a wave, reflected in the height of the wave; the amplitude of a sound wave determines a sound's loudness.
amplitude
The unit of measurement for loudness.
decibel
The relative highness or lowness of a sound, determined by the frequency of a sound wave.
pitch
The rate of vibration, or the number of sound waves per second.
frequency
The distinctive quality of a sound, determined by the complexity of the sound wave.
timbre
The part of the ear that collects sound waves; consists of the pinna, the ear canal, and the eardrum.
outer ear
A tightly stretched membrane at the end of the ear canal that vibrates when hit by sound waves.
eardrum
The part of the ear that amplifies sound waves; consists of three small bones: the hammer, tha anvil, and the stirrup.
middle ear
The part of the ear where sound is transduced into neural impulses; consists of the cochlea and semicircular canals.
inner ear
The coiled, fluid-filled inner-ear structure that contains the basilar membrane and hair cells.
cochlea
The membrane within the cochlea of the ear that contains the hair cells.
basilar membrane
The hairlike sensory receptors for sound, which are embedded in the basilar membrane of the cochlea.
hair cells
The view that the basilar membrane vibrates at the same frequency as the sound wave.
frequency theory
The theory that different frequencies cause larger vibrations at different locations along the basilar membrane.
place theory
Technical name for the sense of smell.
olfaction
Technical name for the sense of taste.
gustation
Chemical signals released by an animal that communicate information and affect the behavior of other animals of the same species.
pheromones
The enlarged ending of the olfactory cortex at the front of the brain where the sensation of smell is registered.
olfactory bulb
The specialized sensory receptors for taste that are located on the tongue and inside the mouth and throat.
taste buds
The unpleasant sensation of physical discomfort or suffering that can occur in varying degrees of intensity.
pain
Specialized sensory receptors for pain that are found in the skin, muscles, and internal organs.
nociceptors
A neurotransmitter that in involved in the transmission of pain messages to the brain.
substance P
The theory that pain is a product of both physiological and psychological factors that cause spinal gates to open and relay patterns on intense stimulation to the brain, which percieves them as pain.
gate-control theory of pain
The technical name for the sense of location and position of body parts to one another.
kinesthetic sense
Sensory receptors, located in the muscles and joints, that provide information about body position and movement.
proprioceptors
The technical name for the sense of balance, or equilibrium.
vestibular sense