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. 2015 Oct 26;9:138. doi: 10.3389/fnana.2015.00138

FIGURE 5.

FIGURE 5

Stimulant (Methamphetamine and tobacco)-exposed infants (n = 25) had less steep age-dependent increase in FA than the unexposed infants (n = 25) in the superior fronto-occipital fasciculus. Each infant was scanned 2–3 times during the first 3 months of life. Repeated measures analysis using mixed model with resolution, sex and Index of Social Position as covariates. PM Age = postmenstrual age (from poster presesentation at Neurobehavioral Teratology Society by Chang et al., 2012).