Hearing

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63 terms

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

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