Weber Test
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
The Weber test is a hearing test using a vibrating tuning fork placed on the midline of the head. It helps differentiate between middle ear disease, where the sound is lateralized to the affected ear, and inner ear disease, where the sound is heard only in the healthy ear.
Encyclopedia entry (1928–1936)
WEBER TEST, for testing hearing: the stem of a sounding tuning fork (preferably a low-pitched tuning fork) is placed against the vertex or forehead of the subject being examined, positioned on the midline. With an intact hearing apparatus, the sound is conducted equally to both sides; in middle ear disease, the tuning fork sound is felt more clearly on the affected side; whereas in inner ear diseases, the diseased side does not perceive the sound, and the latter is conducted only toward the healthy ear.
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“Weber Test.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/weber-test/