The constructed 4D infant cortical surface atlases of the left hemisphere, with thickness, myelin content, and equipped parcellations. Numbers on the left denote the month(s) of age. (a) Cortical thickness on spherical surfaces and average inner surfaces. (b) Myelin content on spherical surfaces and average inner surfaces. (c,d) The equipped FreeSurfer parcellations and Human Connectome Project multimodality parcellation parcellations, respectively