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(A) Mean accuracy (% correct) and (B) mean median reaction time in milliseconds for inhibitory and prepotent trials in the Early Childhood Inhibitory Touchscreen Task at 24 and 30 months of age. The bracket at the top in Fig 2A indicates the significant cross-age comparison of mean accuracy difference (AccD) score. Error bars indicate the standard error. *** p < .001, ** p < .01, * p < .05.
