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. 2018 Jul 17;12:145. doi: 10.3389/fnbeh.2018.00145

Figure 4.

Figure 4

Plasma corticosterone levels collected 90 min after the social interaction test (which acted as a Social Stressor), the elevated-plus maze (which acted as a Non-Social Stressor) or a control condition (No Stressor) among mice housed for 6 weeks in a SE or an EE. Mice housed in SE had increased plasma corticosterone levels after the Social Stressor but not the Non-Social Stressor. These corticosterone elevations were not apparent in mice housed in EE. #p < 0.05 relative to SE mice in the No Stressor condition. Data represents means ± SEM (SE mice/No stressor: n = 12; SE mice/Social: n = 12; SE mice/Non-Social: n = 12; EE mice/No Stressor: n = 11; EE mice/Social: n = 8; EE mice/Non-Social: n = 8).