Figure 6. Licking behavior was consistent with a motion aftereffect. A, Average lick counts for the four coherences along the steepest slope in Figure 5B for the rightward (magenta) and leftward (cyan) adapting conditions (inset, gray box). For all four mice, the rightward-adapted conditions had significantly more licking than the leftward-adapted conditions (p < 0.01). B, Measurements of the shifts in the coherence bias and mean lick rate following rightward and leftward adaptation, based on sigmoid fits (inset). The dashed line indicates no change in lick rate. All data points represent upward and leftward shifts between the functions for the four mice and were significantly above (y-axis) and below (x-axis) zero, respectively (p < 0.05). C, Average lick counts for the three highest coherences for rightward motion in Figure 5B for the rightward- (magenta) and leftward- (cyan) adapted conditions (inset, blue box). For all four mice, there was no significant difference between the rightward- and leftward-adapted conditions (p > 0.05). D, As in B, but the ordinate plots differences in the lower asymptotes of the sigmoid function. For all four mice, there was also no significant difference in the lower asymptotes of the sigmoid function (inset) between the leftward-adapted function (magenta) compared with the rightward-adapted function (cyan; p > 0.05). E, Average lick counts for the two highest coherences for leftward motion in Figure 5B for the rightward- (magenta) and leftward- (cyan) adapted conditions (inset, red box) were also not significantly different (p > 0.05). F, As in B and D, but the ordinate plots the differences in the upper asymptotes. There was no significant difference in the upper asymptotes of the sigmoid function (inset) between the leftward-adapted function (magenta) compared with the rightward-adapted functions (cyan; p > 0.05). A, C, and E, Error bars are bootstrapped SE of the average and open black circles are the lick counts for the 0% coherence adapting condition (n = 62–70 repeats for each condition). B, D, and F, Error bars are bootstrapped SE of sigmoid fit parameters.