About The Study: The results of this neuroimaging study of 8,900 children ages 9 to 11 suggest that the observed sex differences in cognitive performance and brain connectivity likely reflect faster brain maturation in girls than boys. The findings are relevant to the future creation of brain developmental trajectory charts to monitor for deviations associated with impairments in cognition or behavior, including those due to psychiatric or neurological disorders.
Authors: Dardo Tomasi, Ph.D., of the National Institute on Alcohol Abuse and Alcoholism in Bethesda, Maryland, is the corresponding author.
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(doi:10.1001/jamanetworkopen.2023.0157)
