Deafness and rehabilitation
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Did You Hear? Scientists Find Holy Grail That Converts Sound Into Brain Signals

Did You Hear? Scientists Find Holy Grail That Converts Sound Into Brain Signals | Deafness and rehabilitation | Scoop.it

The quest to find the protein in the ear that converts sound into brain signals has remained a 'holy grail' that scientists have been looking for. However, after decades of research, scientists at the Scripps Research Institute in La Jolla, California, have finally managed to pin down the elusive protein. 

According to the scientists, a protein called TMHS, which is a component of the so-called mechanotransduction channels in the ear, is responsible for converting the signals from mechanical sound waves into electrical impulses that run along nerve fibers to areas in the brain where they are interpreted as sound.

The laboratory studies revealed that when the TMHS protein was missing in mice, the electrical signals were not sent to their brains and they did not perceive sound. But by placing functional TMHS into the sensory cells for sound perception of newborn deaf mice, the scientists were able to restore their function.

Since, essentially all mammals today share the same form of inner ear, the breakthrough finding suggests a new gene therapy approach to some forms of deafness, add the researchers.

Though many of the genes implicated in deafness have been identified, it was not known how these genes accounted for the various forms of hearing loss. But with the discovery of the relevance of TMHS, the picture is becoming clearer, say the researchers.


Via Dr. Stefan Gruenwald
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An ear with the right look and feel - Medical Xpress

An ear with the right look and feel - Medical Xpress | Deafness and rehabilitation | Scoop.it
An ear with the right look and feel
Medical Xpress
As the new ear lies completely underneath the skin at this point, the surgeon has to "free" it in an additional surgery so it stands freely off the head like a healthy ear.
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The Cochlear Implant Help Times

The Cochlear Implant Help Times | Deafness and rehabilitation | Scoop.it
The Cochlear Implant Help Times, by cochlearimplantHELP: updated automatically with a curated selection of articles, blog posts, videos and photos. (The Cochlear Implant Help Times is out!
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Cochlear Implant Activation – LIVE on NBC TODAY | cochlear ...

Cochlear Implant Activation – LIVE on NBC TODAY | cochlear ... | Deafness and rehabilitation | Scoop.it
Tune into the TODAY show on NBC Tuesday, July 23rd, 2013, to view a live cochlear implant activation! The TODAY show airs in the morning in the United States, but check your local listings. Click on this link to view the ...
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