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+--- Thread: Adolescents (/Thread-Adolescents)
Adolescents - Christina - 11-07-2006
Is adolescent drug and alcohol use disrupting learning in your classroom?
Read about a recent study on the affects of alcohol on the adolescent brain:
http://www.nytimes.com/2006/07/04/health/04teen.html?_r=4&pagewanted=1&oref=slogin&oref=slogin
What do you think can be done to discourage these self-destructive behaviors?
Adolescents - Christina - 17-07-2006
Adolescence has been characterized by risk-taking behaviors that can lead to fatal outcomes. This study examined the neurobiological development of neural systems implicated in reward-seeking behaviors. Thirty-seven participants (7–29 years of age) were scanned using event-related functional magnetic resonance imaging and a paradigm that parametrically manipulated reward values. The results show exaggerated accumbens activity, relative to prefrontal activity in adolescents, compared with children and adults, which appeared to be driven by different time courses of development for these regions. Accumbens activity in adolescents looked like that of adults in both extent of activity and sensitivity to reward values, although the magnitude of activity was exaggerated. In contrast, the extent of orbital frontal cortex activity in adolescents looked more like that of children than adults, with less focal patterns of activity. These findings suggest that maturing subcortical systems become disproportionately activated relative to later maturing top–down control systems, biasing the adolescent's action toward immediate over long-term gains.
The full text can be retrieved at: http://www.jneurosci.org/cgi/content/abstract/26/25/6885
Cheers,
Christina
Adolescents - Christina - 12-08-2006
Self-control seems to be a powerful predictor of academic success. Grazyna Kochanska and his team at the University of Iowa have tracked more than 300 kids for almost 20 years to gauge how their ability to delay gratification and exert self-control affects their lives. Read more at: http://abcnews.go.com/GMA/AmericanFamily/story?id=2248295&page=1&gma=true
Cheers,
Christina
Adolescents - Christina - 12-09-2006
Significant brain development occurs into adolescence. The work of Blakemore and colleagues is shedding new light on these changes: http://abcnews.go.com/US/wireStory?id=2405029&page=1
Cheers,
Christina