The Adolescent Brain
Tools, research, and external resources referenced in this module.13 resources available.
NIMH longitudinal imaging studies tracked brain development from childhood through adulthood.
Synaptic pruning is the brain's 'use it or lose it' phase—a critical window for skill development.
fMRI studies show the nucleus accumbens responds more strongly to rewards in adolescents than in adults or children.
Research shows adolescents assess risk accurately but are more motivated by potential rewards.
Understanding dopamine dynamics helps parents work with teen neurobiology rather than against it.
This is why car accident rates spike with teen passengers and drop dramatically when alone.
Understanding this helps parents respond to social struggles with appropriate seriousness.
Risk-taking isn't the problem; it's the type of risk that matters.
Mary Carskadon's research at Brown University documented this circadian shift definitively.
Early school start times cause chronic sleep deprivation in the majority of American teenagers.
Later school start times improve academics, mental health, and safety—the evidence is overwhelming.
Warmth without structure or structure without warmth both underperform compared to the combination.
Perspective matters: adolescence is a transitional period, not a destination.
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