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. Author manuscript; available in PMC: 2017 Nov 15.
Published in final edited form as: Biol Psychiatry. 2016 May 9;80(10):775–785. doi: 10.1016/j.biopsych.2016.04.021

Figure 4.

Figure 4

Amygdala perfusion mediates trait anxiety in post-pubertal females. A) The relationship between amygdala perfusion and anxiety increases with pubertal stage (early, mid, or post-pubertal), above and beyond effects of age. B) The relationship between higher trait anxiety levels in post-pubertal females was mediated by higher perfusion in the left amygdala. Mediation results show the unstandardized regression coefficients for the post-pubertal group in the left amygdala; when controlling for mean perfusion in the left amygdala, the relationship between sex and trait anxiety becomes non-significant (c’).