... frontal 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 et al., 2001; Mueller et al., 1998). It has become quite clear over recent years that alcohol impacts both behavior and brain function differently in adolescents and adults (Smith, 2003). For instance, the ... estimates suggest that roughly 50% of high school seniors consume alcohol at least once per month, while 17% regularly smoke cigarettes and nearly 50% have smoked marijuana (Kann et al.,...

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