These are divergent patterns in overlapping areas of anterior prefrontal cortex. Credit: Center for BrainHealth
The age at which an adolescent begins using marijuana may affect typical brain development. Findings show study participants who began using marijuana at the age of 16 or younger demonstrated brain variations that indicate arrested brain development in the prefrontal cortex, the part of the brain responsible for judgment, reasoning and complex thinking. Individuals who started using marijuana after age 16 showed the opposite effect and demonstrated signs of accelerated brain aging.
“Our findings suggest that the timing of cannabis use can result in very disparate patterns of effects,” explained Francesca Filbey, Ph.D...
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