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. Author manuscript; available in PMC: 2022 Aug 11.
Published in final edited form as: Front Neuroendocrinol. 2019 Nov 28;56:100816. doi: 10.1016/j.yfrne.2019.100816

Figure 2.

Figure 2.

A single concussive injury was directed to the brain of an anesthetized adult zebra finches as described in Figure 1. 6 hours following injury, a 4mm diameter brain sample was collected and immediately weighed for the wet weight (WW). Brain samples were then placed at 110C for 24 hours and weighed again for the dry weight (DW). Brain water content or edema was calculated as %H2O = (WW - DW) × 100/WW. Edema (as measured by brain water content) is significantly higher in birds that underwent concussive traumatic brain injury (cTBI) relative to shams as measured using a one tailed Mann-Whitney U. * denotes a significant difference at P <0.05