FIG. 7.

There was greater tissue loss as displacement injury increased: 0-mm (A), 0.2-mm (B), 0.4-mm (C), 0.6-mm (D), 0.8-mm (E), 1.0-mm (F), and 1.2-mm (G) displacement (iron-eriochrome cyanine RC staining). Higher velocity (2 m/sec; H) and longer duration of cord-impactor contact (5 sec; I) did not show a difference in white matter (WM) sparing compared with the 0.6-mm displacement. (J) There was a greater degree of white matter sparing among the 0.2- and 0.4-mm groups compared to the higher displacement groups (p < 0.001). Data are the mean ± SD (n = 5–6/group).