New implant helps 3-year-old boy hear his dad’s voice for the first time

Three-year old Grayson Clamp, born without a cochlear nerve, became the first child to receive an auditory brain stem implant last month.  The implant was successful, shocking young Grayson as he heard sound for the first time, according to a UNC School of Medicine

In the procedure, an external speech processor breaks up sounds and sends their frequency components to an implanted microchip on Grayson’s brain stem.  Electrodes are placed on the brain’s cochlear nucleus, where the cochlear nerve would have been.  The electrodes are stimulated by information from the external device, allowing Grayson to hear.

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New implant helps 3-year-old boy hear his dad’s voice for the first time

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