Table 1.

Regional Maximum Principal Strains Predicted by Finite Element Models of an Average Adult Rat and a Fully Mature Rat for All Three Impact Severities

	Impact depth (mm)	Average adult	Fully mature
Superior cortex	1.5	0.3049	0.2907 (−4.7%)
	2.0	0.3856	0.3702 (−4.0%)
	2.7	0.4863	0.4615 (−5.1%)
Deep cortex	1.5	0.3580	0.3418 (−4.5%)
	2.0	0.4310	0.4190 (−2.8%)
	2.7	0.5026	0.4969 (−1.1%)
Hippocampus	1.5	0.2213	0.2163 (−2.3%)
	2.0	0.2432	0.2389 (−1.8%)
	2.7	0.3059	0.2387 (−7.3%)
Thalamus	1.5	0.1531	0.1505 (−1.7%)
	2.0	0.1903	0.1752 (−7.9%)
	2.7	0.2582	0.2425 (−6.1%)
Cerebellar vermis	1.5	0.0491	0.0468 (−4.7%)
	2.0	0.0547	0.0535 (−2.3%)
	2.7	0.1022	0.0970 (−5.1%)

Data in parentheses are the percentage differences.