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. Author manuscript; available in PMC: 2011 Nov 29.
Published in final edited form as: Brain Res. 2010 Sep 17;1362:68–77. doi: 10.1016/j.brainres.2010.09.038

Figure 4. Plasma ACTH Response to 98-dBA noise.

Figure 4

Mean ACTH concentrations (+/− SEM) of the exercise, increased cage complexity, or control groups over the successive days (1, 4, 8, and 11) of repeated loud noise (98-dBA) stress. On day one, exercise animals had a reliably reduced ACTH response compared to increased cage complexity and control animals. Responses were statistically equivalent on each of the remaining sampling days. #: Exercise group significantly different from both control and increased cage complexity groups, Tukey's HSD (p'< 0.05).