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Abstract #3493

Exponential Decay Law for the Structural Brain Network of Maltreated Children

Moo K Chung1, Jamie L Hanson2, Nagesh Adluru1, Andrew L Alexander1, Richard J Davidson3, and Seth D Pollak3

1Waksman Laboratory for Brain Imaging and Behavior, University of Wisconsin, Madison, WI, United States, 2Department of Psychology, University of Pittsburgh, Pittsburgh, PA, United States, 3Department of Psychology, University of Wisconsin, Madison, WI, United States

We present evidence that the structural brain network follows the exponential decay law; these data are inconsistent with the view the brain follows the more complicated truncated exponential power law. Our model is then used in application, to show that children exposed to high levels of early life stress have more sparsely connected hub nodes. These data are consistent with rodent models of the effects of stress on synaptogenesis.

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