The Cochlear nerve is the nerve that connects the inner ear to the brainstem and is responsible for hearing and balance.
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Stimulation of the vagus nerve is one usage that we already have for neurostimulators. The vagus nerve is one of the most critical body sensory and control nerves since it does not deal with the outer body, instead heading straight down into the organs of the torso.
This article is intended to serve as a general introduction to the nerve layout in the human arm and hand. It is not concerned with bone or muscle layout, but simply with the areas affected by each nerve pathway, and data type. It exists as an aid to those desiring to create a replacement arm, either prosthetic or virtual, and understand purely which area of the limb feeds sensory information to which part of the nervous system.
Whether you are using a cochlear implant to replace the lost sensation of sound, or recreating binaural sound within a virtual environment, a precise understanding of how the ear works is always helpful.
In October 2005, Wired magazine featured the four-page story of Michael Chorost, a man who fought to revolutionise artificial hearing, and who has relied upon a computer surgically installed inside his skull. Called a cochlear implant, this routine replacement has 16 electrodes that snake inside the inner ear, and plenty of room for improvement.
A new method of integrating electrodes and neurons into a single device, offers some tempting possibilities for new neuroprosthetics, and nerve-operated prosthetics in general.
We finally understand enough about the way sound signals are processed into electrical signals, to go one better than the cochlea implant. We can tap directly into the auditory nerve itself.
A quote from the book Profiles of the Future, by Arthur C Clarke on the creation of artificial eyes by decoding the optic nerve, is compared to more recent advances doing just that.
Discussion of a possible hardware-based neuroprosthetic interface method designed to maximise speed gain in body-machine sensory interfaces.
The 'virtual light' class of retinal displays, are perhaps unique in the display industry, because they don't actually display anything. The entire concept is built round bypassing the eye entirely, and dropping visual encoded information directly into the optic nerve.
Haptics is the study of the sense of touch. There are many parts to touch, and five different types of touch nerve in the nervous system. Here, we look at what goes into detecting texture, how the nerves work, and some initial attempts to interface with them for VR.
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A laser-based approach could make cochlear implants more effective. Scientists at Northwestern University are exploring whether laser-based implants could one day outperform today's electrical version.
With conventional coch...
Cochlear implants, electrical prosthetic devices that stimulate inner ear neurons of individuals who have lost their cochlear sensory cells, restore usable hearing to deaf patients. Cochlear implant electrodes are placed in the fluid-filled...
Researchers from the University of Michigan have constructed a hydromechanical device that is the size of and emulates the basic function of the cochlea structure of the mammalian ear. The cochlea converts sound waves to nerve impulses.
A German study of cochlear implant recipients shows the recipients experience a significant improvement in their quality of life after the implant: better speech recognition, sound perception, social interaction, and mental health....
Lip reading is a critical means of communication for many deaf people, but it has a drawback: Certain consonants (for example, p and b) can be nearly impossible to distinguish by sight alone.
Tactile devices, which translate ...