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Background and aims
Disentangling the putative impact of cannabis on brain morphology from other comorbid substance use is critical. After controlling for the effects of nicotine, alcohol and multi‐substance use, this study aimed to determine whether frequent cannabis use is associated with significantly smaller subcortical grey matter volumes.
Design
Exploratory analyses using mixed linear models,...
The aim of this study is to investigate the genetic influence on the cerebral cortex, based on the analyses of heritability and genetic correlation between grey matter (GM) thickness, derived from structural MR images (sMRI), and associated white matter (WM) connections obtained from diffusion MRI (dMRI). We measured on sMRI the cortical thickness (CT) from a large twin imaging cohort using a surface‐based...
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