SCHWABACH TEST Meaning and
Definition
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The Schwabach test is a diagnostic hearing test that measures the person's ability to perceive sound vibrations transmitted through bone conduction. It is commonly used to assess the individual's hearing sensitivity and detect potential hearing loss or abnormalities in the auditory system.
During the Schwabach test, a vibrating tuning fork is placed on the mastoid bone behind the ear, and the person being tested is asked to indicate when the sound is no longer heard. The test compares the individual's bone conduction hearing sensitivity to that of a normal or average person. The duration of sound perception serves as an indicator of the person's hearing ability relative to the norm.
If the person being tested perceives the sound for a longer duration than the average person, it suggests a hearing impairment or conductive hearing loss, where sound is not efficiently conducted through the ear canal, middle ear, or other related structures. Conversely, if the person stops hearing the sound earlier than the average person, it may indicate sensory or neural hearing loss, where the inner ear or auditory nerve is affected.
The Schwabach test helps audiologists and other healthcare professionals evaluate an individual's hearing status, determine the type and degree of hearing loss, and prescribe appropriate interventions or treatments based on the test results.
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A series of five tuning-forks of different tones is used and the number of seconds is noted in which the patient can hear each by air-conduction and bone-conduction.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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Etymology of SCHWABACH TEST
The term "Schwabach test" refers to a hearing test that measures an individual's relative hearing ability. The word "Schwabach" in this context derives from its German origin.
The etymology of the term can be traced back to the German town of Schwabach, located in Bavaria. In the early 19th century, a German ear specialist named Georg Johannes von Berger, who was born in Schwabach, developed a hearing testing method. This method involved comparing the patient's hearing ability to that of a standard tone generator.
To honor von Berger's work, this method became popularly known as the "Schwabach test", named after the town of Schwabach, where the technique was first introduced. The term has been used ever since to refer to similar hearing tests that assess an individual's hearing threshold.
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