The number of hearing-impaired people worldwide is estimated to be around 300 million and rising because of the growing global population and longer life expectancy. Hearing impairment is now the third leading chronic disability after arthritis and hypertension in the Western world. Therefore, most individuals, or members of their family, will attend an audiology service to have their hearing assessed at some point in their lives. Audiology is the science of hearing, but the term is used in a healthcare setting to generally mean the study and assessment of hearing and balance problems and the treatment and prevention of disorders of these functions. This entry describes various audiological assessment procedures.

Hearing Sensitivity

The human ear has an extremely wide perceptual dynamic range. The lower limit of ...

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