(A) Sensorimotor performance in neonatal mice after IH or DNP exposure. One-way ANOVA, Tukey’s post hoc test (olfactory discrimination), 1-way ANOVA, Dunnett’s post hoc test (wire holding, walking initiation), and Kruskal-Wallis and Dunn’s post hoc tests (beam crossing). (B–D) Electron microscopy of corpus callosum and axonal g-ratio in the same groups of mice. One-way ANOVA, Dunnett’s post hoc test. Scale bar: 500 nm (B).