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  • Deafness

    Total hearing loss.


    Medical specialty associated with diagnosis and management of diseases of the ear, nose, and throat and related structures of the head and neck.


    A primary health care professional who evaluates, treats, and manages hearing loss and balance disorders in adults and children.

    Conductive Hearing Loss

    A shift of the threshold of audibility due to mechanical impairment of any part or combination of parts of the ear.

    Mixed hearing loss

    Hearing loss that includes both conductive and sensorineural impairments.

    Sensory Hearing Loss

    Hearing loss from pathology involving the sensory end organ in the cochlea. Most common sites include outer and inner hair cells within the Organ of Corti.

    Neural Hearing Loss

    Hearing loss from pathology to the auditory branch of the Cranial Nerve VIII.

    Sensorineural Hearing Loss

    Noncorrectable hearing loss due to damage, malformation or degeneration of a portion of the neural system in the ear.

    Audiometric Examination

    A general name given to hearing tests.

    External Otitis

    Inflammation of the outer ear.

    Otitis Media

    Inflammation in the middle ear.


    A disease in which bony growths inhibit the mechanical operation of the parts of the middle ear.


    The medical term for perception of sound in one or both ears or in the head when no external sound is present.

    Temporary Threshold Shift

    Temporary hearing loss that is due to exposure to loud noises. Also called "acoustic trauma."


    Hearing loss that is feigned or exaggerated.

    Evoked Potential

    An electrical potential recorded from the nervous system of a human or other animal following presentation of a stimulus.


    Tailoring the audible frequency spectrum to particular intensity levels. In this case, amplifying differntially those frequencies that audiological testing shows need boosting.

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