Individual differences in T1w/T2w ratio development during childhood.

"Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper."

"We thank the families who participated in this research. This study was supported by the Jacobs Foundation Early Career Award (A.P.M.), the 10.13039/100000026National Institute on Drug Abuse (Award 1R34DA050297-01 to A.P.M.), and the National Science Foundation (Graduate Research Fellowships to A.L.B., C.L.M., and U.A.T.). This work was also supported by an Azrieli Global Scholar award to A.P.M. from the 10.13039/100007631Canadian Institute for Advanced Research (CIFAR), and an NSF CAREER award to A.P.M. (DRL 2045095). We thank Katherine Hilton and Muralidhar Mupparapu for their role in developing the molar eruption rating scale and procedure. We also thank Stephanie Bugden, Jasmine Forde, Katrina Simon, Sophie Sharp, Isis Cowan, Maayan Ziv, Yoojin Hahn, and the Changing Brain Lab for their help with data acquisition."