Advances in relating cochlear implant physiology and psychophysics

Acknowledgments

Matching stimulus intensities

Where is threshold?

Overview

Single-fiber response

Distribution of thresholds and RS

Effects of electrode configuration

Electrode configuration (cont.)

Effects of phase duration

AN/psychophysical model

Model output (vs phase duration)

Prediction using model output

Psychometric functions

Threshold vs phase duration

Effects of electrode configuration

Model predictions

Dynamic range vs phase duration

Deterministic model predictions

Stochastic model predictions

Ratio of BP to MP dynamic range

IDL - data and deterministic model

IDL - data and stochastic model

Discharge probability distribution

Summary of predictions

Conclusions