Figure 2.
Time course of ACTH and corticosterone in response to restraint in experiments 1 and 2. A, ACTH time course and AUC, experiment 1. B, ACTH time course, experiment 2. C, Corticosterone time course and AUC, experiment 1. D, Corticosterone time course, experiment 2. Bars and symbols, mean values; lines, represent ± 1 sem. Letters above the bars represent significant differences among the groups; bars with the same letters do not differ from one another.