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63 terms

Hearing

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Pure tone
a sound in which particles of air vibrate at a single frequency
Hertz
the unit of measurement for the pitch of sounds
Decibel
the unit of measurement for the loudness of sounds
Bilateral conductive hearing loss
a conductive hearing loss in both ears
Unilateral conductive hearing loss
conductive hearing loss in only one ear
Cerumen impaction
overabundance of ear wax
Congenital atresia
partial or complete absence or blockage of the external auditory meatus
Otitis media
inflammation in the middle ear
Cholesteatoma
tumor that can occur in the middle ear
Otosclerosis
disease in which a bone in the ossicular chain because fixated in the oval window
Ossicular discontinuity
one of the tree ossicle bones breaks or somehow becomes disconnected from the other two
Temporary threshold shift
temporary hearing loss after being exposed to loud noise
Tinnitus
constant ringing, whistling, or roaring sound-inducedLoudness recruitment: abnormally rapid growth of loudness with an increase in intensity
Presbycusis
sensorineural hearing loss resulting from the effect of aging
Meniere's disease
disease of the vestibular system that has a sensorineural loss as one of it's components
Acoustic neuroma
tumor that impedes the functioning of the auditory nerve by pressing on it
Acoustic neuritis
inflammation of the auditory nerve
Auditory agnosia
disorder of the CANS in which the person has difficulty separating figure from background noise
Units of experience
objects and events to which words refer
Brain abscesses
walled-off cavities containing dead or dying white blood cells
Cerebral arteriosclerosis
thickening of the walls of cerebral arteries resulting in a slower rate of blood flow through them
Waveform
manner in which particles of air that are perceived as sound vibrate
Pure tone
a sound in which particles of air vibrate at a single frequency
Sine wave
the waveform for a pure tone
Hertz
the unit of measurement for the pitch of sounds. Higher the pitch, the larger the number
Decibel
unite of measurement for the loudness of sounds
Auricle
largely cartilaginous projecting portion of the outer ear
External auditory meatus
the part of the outer ear that is also referred to as the ear canal
Cilia
small hairs on the inner surface of the external auditory meatus
Ceruminous glands
the glands that secrete Cerumen
Cerumen
ear wax
Tympanic membrane
the eardrum
Malleus
first of the three tiny bones in the middle ear
Incus
second of the three tiny bones in the middle ear
Stapes
third of the three tiny bones in the middle ear
Ossicular chain
three tiny bones in the middle ear
Oval window
membrane that separates middle ear from the inner ear
Eustachian tube
a hollow structure that connects the middle ear to the back wall of the throat
Semicircular canals
the structures in the inner ear responsible for the detection of rotation
Vestibule
structure in the inner ear responsible for the detection of linear acceleration and gravity
Cochlea
structure in the inner ear responsible for hearing
Transduce
convert energy from one form into another
Auditory nerve
a branch of the cranial nerve that transmits electrochemical energy
Bilateral conductive hearing loss
a conductive hearing loss in both ears
Unilateral conductive hearing loss
a conductive hearing loss in only one ear
Cerumen impaction
an overabundance of ear wax
Congenital atresia
a partial or complete absence of blockage of the external auditory meatus
Otis media
inflammation in the middle ear that can cause a conductive hearing loss
Cholesteatoma
type of tumor that can occur in the middle ear and cause a conductive hearing loss
Otosclerosis
a disease in which the stapes become fixated in the oval window which causes a conductive hearing loss
Ossicular discontinuity
one of the three tiny bones that form the Ossicular chain in the middle ear breaks or somehow becomes disconnected from the other two
Temporary threshold shift
a temporary hearing loss after being exposed to loud noise that affects the functioning of the inner ear
Tinnitus
a constant or almost constant ringing, whistling, or roaring sound that appears to the person experiencing it to be located in one or both ears or somewhere in the head
Loudness recruitment
an abnormally rapid growth of loudness with an increase in intensity
Presbycusis
sensorineural hearing loss resulting directly or indirectly from the effect of the aging process on the inner ear
Meniere's disease
a disease of the vestibular system that has a sensorineural hearing loss as one of its components
Acoustic neuroma
a tumor that impedes the functioning of the auditory nerve by pressing on it
Acoustic neuritis
inflammation of the auditory nerve
Auditory agnosia
a disorder of the central auditory nervous system in which the person has difficulty separating figure from background noise
Units of experience
the objects and events to which words refer
Brain abscesses
walled-off cavities containing dead or dying white blood cells
Cerebral arteriosclerosis
a thickening of the walls of cerebral arteries resulting in a slower rate of blood through them
Functional hearing loss
a condition in which people do not respond appropriately to speech or other sound and there does not appear to be an abnormality lesion in their ears, auditory nerves, or CANS