Within-group results for repetition to DirectGz (all conditions with direct gaze [forward face with direct gaze and averted face with direct gaze combined]). All regions significant at P<.001 and size of 80 mm3 or greater. DD indicates developmental delay; DLPFC, dorsolateral prefrontal cortex; fraX, fragile X syndrome; mPFC, medial prefrontal cortex; TD, typically developing; red dots, sensitization; and blue dots, adaptation. Color gradations indicate t scores.