... are particularly troubling given recent evidence that, in contrast to long-held assumptions, a tremendous amount of structural and functional brain development takes place during the teenage years (Geidd et al., 1999; for review see Spear, 2000;2002). Evidence is accruing that alcohol, and perhaps other drugs, impact brain function and behavior differently during adolescence than during adulthood ... lobes, age-related changes in brain activation during task performance have been observed in the cerebellum, superior colliculus, thalamus, striatum, parietal cortex, and hippocampus (Luna e...

• Word Count: 2963
• Approx Pages: 12
• Grade Level: Undergraduate