Senses and Sensitivity: The Cochlea (visual)

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Senses and Sensitivity: The Cochlea (visual)

Beitrag von hifi »

The Cochlea
A dramatic illustration of how hearing happens in the ear. Includes audio narration.

Both music and the structure of the inner ear are integrated in this fascinating illustration of how we hear sound. Sounds from the outside world pass as vibrations through tiny bones in our ear to the cochlea. Within the coiled tube of the cochlea, different regions of the basilar membrane sense different sound frequencies at specific. This animation demonstrates how high-frequency sounds penetrate only a short distance along the basilar membrane. Vibrations from low tones are sensed at the farthest end of the basilar membrane. This animation was designed in conjunction with HHMI's 1997 Holiday Lectures on Science, Senses and Sensitivity: Neuronal Alliances for Sight and Sound. It is narrated by HHMI investigator A. James Hudspeth, Ph.D., M.D., who was one of the lecturers.



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