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- Hearing
From Wiggling to the wonderful Variety of Sounds
It is a long way from purely mechanical vibrations to the world of sounds and tones.
17.10.2025
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- Glossary
Basilar membrane
The basilar membrane runs through the cochlea for a length of approximately 34 mm. It is stretched like the string of a violin, narrow and stiff at the base and wider and more flexible at the apex. Incoming sound frequencies cause it to vibrate. This movement is picked up by the hair cells in the organ of Corti and converted into nerve impulses.
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- Glossary
Tectorial membrane
The tectorial membrane is a gelatinous layer into which the cilia of the outer hair cells protrude. The shear movements caused by sound between the basilar membrane and the tectorial membrane are registered by the cilia.
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- Percieve
- Hearing
From Sound to Interpretation
How the ear processes fluctuations in air pressure into meaningful information.
03.10.2025
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- Percieve
- Hearing
Hearing: Structure of the Organ of Corti
Sound is converted into electrical impulses in the ear. The organ of Corti plays a crucial role in this process.
23.10.2025
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- Glossary
Vestibular duct
The vestibular duct or scala vestibuli is the uppermost of the three canals of the cochlea and is filled with perilymph. At the oval window, the movements of the stapes transmit vibrations to the perilymph of the scala vestibuli. These vibrations set the basilar membrane in motion and thus indirectly influence the middle canal, the scala media.
