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A symphony of light: Mid-IR study could lead to new hearing implant

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Laura S. Marshall, [email protected]

Light has always been a best friend to the deaf. Without light, deaf people would not be able to see the hand shapes and movements that make up the sign languages of the world; a speaker’s face, with all the visual cues that help them to understand speech; or the written word when other types of communication fail. And a Northwestern University researcher is working on a device that could deepen that friendship. Dr. Claus-Peter Richter has used mid-infrared light to stimulate auditory nerves in guinea pigs, which he said are established models for cochlear implant research because...Read full article

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    Published: February 2009
    Glossary
    light
    Electromagnetic radiation detectable by the eye, ranging in wavelength from about 400 to 750 nm. In photonic applications light can be considered to cover the nonvisible portion of the spectrum which includes the ultraviolet and the infrared.
    BiophotonicsfiberslightNews & FeaturesotolaryngologySensors & Detectors

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