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Maps of mean curvature of whole‐brain white–grey matter boundary (left) for infant c scanned at 31 weeks (A) and 42 weeks (B) EGA. Positive values (red/yellow) represent gyri (convex structures) and negative values (blue) represent sulci (concave structures). The Joint‐Spectral Matching correspondence allows us to map mean curvatures from 42‐week to 31‐week space (C) and compute the changes in mean curvature between these two time points in 31 weeks space (D).
