Fig. 2.

Heatmaps of age effects. Qualitatively, heatmaps show unique patterns of age effects on brain connectivity across the first 2 years of life corresponding to growth (positive-linear-age), emergent (positive-log-age), pruning (negative-quadratic-age), and transient (positive-quadratic-age) effects. The color map and value of each ROI indicate the percentage of connections for this particular ROI (to every other functional parcellation ROI) showing significant connectivity based on P-value thresholding (P < 0.05) and the lowest AIC value across all four mixed-effect models. See Fig. S2 for an axial view and Fig. S3 for a standardized color range for quick comparison between models.