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Physiology test 2- chapter 14-15
olga
22
Physiology
Undergraduate 3
10/20/2009

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Term
Pitch
Definition
a tone's experienced highness or lowness, depends on frequency
Term
Loudness
Definition
the strength, or amplitude, of sound waves
Term
Parts of ear
Definition
Outer ear, middle ear, inner ear
Term
Outer ear
Definition
includes: auditory canal
Term
Middle ear
Definition
The chamber btw the eardrum and cochlea containing thre tiny bones (hammer, anvil and stirrup). Filled with air
Term
Cochlea
Definition
a coiled,bony, fluid-filled tube in the inner ear through which sound aves trigger nerve impulses. Filled with liquid
Term
Inner ear
Definition
The innermost part of the ear containing the cochlea, semicircular canals and vestibular sacs.
Term
Sensorineural hearing loss
Definition
disorders of cochlea or auditory nerve
Term
Conduction hearing loss
Definition
caused by damage to the mechanical system that conducts sound waves to the cochlea (middle ear)
Term
which part of ear contains receptor cell generating electronic charges in response to sounds?
Definition
cochlea
Term
Where auditory information is transmitted from the receptor cells.
Definition
Auditory cortex of temporal lobe
Term
cochlear implant
Definition
a device for converting sounds into electronical signals and stimulating the auditory nerve through electrodes threaded into the cochlea.
Term
how we can locate the sound?
Definition
Sound waves strike one ear sooner and more intensely than the other. Using parallel processing, the brain analyzes the minute differences in the sounds received by the two ears and computes the source of the sound.
Term
Vertibular perception
Definition
the sense of body movement and position, including Sense of balance
Term
Where is it located?
Definition
it's located in inner ear, known as semicurcular canals.
Term
where is information transmitted from semicircular canals?
Definition
brain stem & cerellebrium
Term
five taste buds
Definition
sweet, sour, bitter, salty, umami
Term
Olfactory perception
Definition
smell
Term
gustatory perception
Definition
taste
Term
where are olfactory receptors located?
Definition
in olfactory membrane
Term
somatosensory perception
Definition
skin, muscles, and tendons
Term
what parts of brain are involved in processing somatorysensory information
Definition
primary somatosensory cortex
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