Fig. 4. Bar chart of the mean number of swallows for each individual frog for the three treatment groups: control, sham and denervation. Each bar represents the mean (± S.E.M.) of five feeding trials for one individual (N=8 individuals per treatment, five feedings per individual). One-way ANOVA with Tukey post-hoc tests revealed a significant difference between the control and the denervation groups and the sham and the denervation groups but no difference between the control and sham group (see Table 1).