FIG. 3.

Psychometric functions for single-interval spectral-ripple discrimination for 14 CI subjects. Each panel represents data for an individual subject. Data points used for linear regression fits are shown as filled circles. Linear fits are shown as solid lines. The second number shown in upper right corner in each panel shows threshold. The third number shown in upper right corner shows psychometric-function slope (in units of d′/ripple). Error bars show 80% confidence intervals. Open circles represent points other than those used to estimate the slope (e.g., upper and lower asymptotic points).