Reducing Channel Interaction Through Cochlear Implant Programming May Improve Speech Perception: Current Focusing and Channel Deactivation.

The quality and clarity ratings showed a trend with higher ratings for strategies they performed better with (paired t -test with Bonferroni correction, quality; t 6 = 3.78, p = .026, clarity; t 6 = 2.48, p = .11).

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In the top two panels with electrical fields created in the MP configuration, even with a reduced number of active channels, the number of neurons activated is still complete, whereas in the lower two panels with fields created in the pTP configuration, there are neurons available that might not ever be stimulated. The small improvements observed in speech perception tasks for listeners using programs designed to reduce channel interaction largely did not reach statistical significance.

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