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CA1, CA3, and DG strain contours for CCI case with 4-mm diameter, flat impactor. CA3 experienced largest areas of high strains when using group 1 heterogeneous nonlinear materials. Brain model was slightly rotated along the rostral-caudal axis to better demonstrate strain contours. These time points were selected when the maximum areas of large strain elements were observed, compared to nearby time points. DG, dentate gyrus; CCI, controlled cortical impact.
