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Significant (p < .05) effects of gestational age and postnatal age.
Note: Figure shows mean absolute discrimination scores (µV) as a function of gestational age and postnatal age. Error bars show 95% confidence intervals. For illustration purposes only, postnatal age was dichotomized with a median split (1.97 months). Gestational age was dichotomized at 30 weeks. Significance tests were done with continuous data, as shown in Table 1.
