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Identification and pattern analysis of sulcal basins. Sulcal basins of the individual fetal brain are identified on the cortical plate surface and optimally matched and compared with the set of sulcal folds generated from 9 fetal brain templates (23–31 GW). The spheres with the same color represent the matched corresponding sulcal basins between the templates and individual brain. Sulcal pattern similarity to the templates is measured for the individual brain.
