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Hearing aid components: * One or more microphones to gather sounds and convert it to electrical impulses * An amplifier to increase the strength of the impulses * The receiver to transform electrical impulses back into sound waves and redirect them into the ear of the wearer. * A battery to supply the energy source.
Audiological assessment The purpose of audiological assessment is to quantify and qualify hearing in terms of the degree of hearing loss, the type of hearing loss and the configuration of the hearing loss. Audiological evaluation is also carried out for purposes of monitoring an already identified hearing loss. Once a particular hearing loss has been identified, a treatment and management plan is put into place. The plan may include medical or surgical intervention, prescription of personal hearing aids, prescription/provision of assistive listening devices, skills development through aural (audiologic) habilitation/rehabilitation, or simply monitoring of the condition through periodic assessment. An audiologic evaluation is sometimes thought of as "just a hearing test, " but more than "just" the ability to hear sounds is involved. The audiologic evaluation consists of a battery of tests, each providing specific standalone information. Yet, the tests complement one another.