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Design and Evaluation of a Cochlear Implant Strategy Based on a “Phantom” Channel

Fig 2

Schematic illustration of the Phantom effect for σ = 0 (a) and σ = 0.625 (b) on pitch perception.

The electrical field is simulated using triangular functions and assuming linear superposition of the electrical field produced by each electrode. The center of masses of the electrical field is assumed to be related to the pitch elicited by the stimulation. Using Phantom stimulation it is possible to push the electrical field away from the most apical electrode.

Fig 2