When this happens, the spiral ganglion neurons (SGNs), which send signals from the hair cells to the brain, also start to atrophy. Cochlear implants stand in for the vanished hair cells and producing ...

Top: Rows of healthy sensory hair cells in the mouse inner ear with green stereocilia arcs. Middle: In Rest mutant mice, hair cells are disorganized, and stereocilia barely visible. Bottom ...

The function of the outer hair cell in hearing is now perceived as that of a cochlear amplifier that refines the sensitivity and frequency selectivity of the mechanical vibrations of the cochlea.

The nerve is made up of the neuronal projections that connect the hair cells with the brain and is called the eighth nerve because it is one of 12 nerves that come off the brain in the skull. The ...