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Seasonal changes in volume of brain and brain regions. a Volume of the entire brain hemisphere during the three age stages of the cycle, corrected by tooth row. Open circles represent individuals, triangles (males) and closed circles (females) are the means of each cycle stage, and bars are credible intervals. b Corrected volume for the entire brain and each brain region in the three stages. The area of each colored section represents the mean. See Table 1 for detailed results
