Hyperacusis :: hyperacusis hyperacusis used describe high level sensitivity sound also known dysacusis oxylacusis hypersensitive hearing phonophobia persons show abnormalloudness growth discomfort suprathreshold barnes & marriage 1995 audiograms sufferers typically thresholds above most people below 100 decibels experience 40 50 lower schwade disorder may frequency specific sounds same number cause only within certain Otology Hearing Phonophobia Essays Hyperacusis

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Hyperacusis

Hyperacusis is used to describe a high level of sensitivity to sound. It is also known as dysacusis, oxylacusis, hypersensitive hearing, or phonophobia. Persons with hyperacusis do not show abnormalloudness growth but an abnormal discomfort for suprathreshold sound (Barnes & Marriage, 1995). Audiograms for hyperacusis sufferers are typically normal. They show normal sound thresholds but the sensitivity level is above normal. The comfort level for most people is below 100 decibels. People with hyperacusis can experience discomfort at 40 to 50 decibels or lower (Schwade, 1995). The disorder may be frequency-specific (Schwade, 1995). Not all sounds of the same loudness (number of decibels) cause discomfort, but only sounds within a certain range, thus a small change of frequency may cause discomfort at low volume.

The prevalence rate of hyperacusis is unknown. It frequently occurs with tinnitus, which afflicts approximately 40 million poeple in the United States (Hazell & Jastreboff, 1933). A questionnaire in a clinic population by Sanchez and Stephens (1997) found t... [to view the full essay now, purchase below]

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