Figure 3.

Results from Experiment 2 on feedback compensation. a, Response of healthy controls (red) and CD patients (blue) to unexpected upward (150 Hz, solid) and downward (−150 Hz, dotted) perturbations of F1. The functions represent differences on perturbation trials, relative to baseline, shown over time averaged across participants. Shading represents SE. b, Maximum response (average from 300 to 400 ms after vowel onset) for the unperturbed, shift-up, and shift-down conditions. Means are shown along with individual responses (black circles). c, Example of the spline-fitting method used to calculate response latencies. d, Mean latencies and individual responses. There were no differences between groups or perturbation directions. *Significant difference from baseline.