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The association between fear potentiated startle (FPS) and anxiety severity, significantly moderated by amygdala volume. The figure depicts the moderating effect of amygdala volumes at −1 SD, the mean, and at +1 SD of (A) left amygdala volume, and b) right amygdala volume. For every 1 SD increase in amygdala volume the slope of the association between FPS and anxiety increased by +0.84 (ADIS CSR per SD FPS) for left amygdala and +0.74 (ADIS CSR per SD FPS) for right amygdala.
