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Unformatted text preview: e.g., antibiotics Congenital (genetic) Tonotopic (frequency map) Organization The Cochlear Implant Coil of electrodes placed inside cochlea • ²or most deafness, the Hair Cells are damaged, but the auditory nerve Fbers are still there! • Brain doesn’t care how auditory nerve is stimulated, but if it is, you will hear a sound (doctrine of speciFc nerve energies). 2/7/12 2 Different electrodes can stimulate different places, so different frequencies are perceived (Tonotopic organization: labeled line coding). Electrode array in cochlea Receiver under skin with wire to implant Transmitter worn outside provides commands to activate electrodes Part implanted in patient Implanted in cochlea Placed under the skin Part worn outside The Cochlear Implant • VERY successful • Many patients can go from profound deafness to talking on the telephone! Simulation...
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This note was uploaded on 04/09/2012 for the course EXP 3202 taught by Professor Staff during the Spring '12 term at Florida State College.
- Spring '12