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. 2020 Oct 27;10:18315. doi: 10.1038/s41598-020-75026-4

Figure 2.

Figure 2

Mean ± SEM (a) baseline and (b) stress-induced cortisol levels, (c) negative feedback efficacy, and (d) body mass for Control (CTL), Partial Isolation (PI), Chronic Isolation (CI), and Re-socialization (CI-R) treatment groups (n = 6 per group). Note that a larger decrease indicates stronger negative feedback. Negative feedback efficacy was measured as the percent decrease from stress-induced cortisol levels to those 90 min after dexamethasone injection.