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Tuned in, Dialed up, and Unfocused: Helping Today’s Media-Consuming Kids Make Conscious Choices About How They Use Time. Head-Royce Parent Coffee 1/31/08 Karen Bradley, Ph.D. and Jennifer Brakeman, Ph.D. Why this topic, why now?.
Head-Royce Parent Coffee
Karen Bradley, Ph.D. and Jennifer Brakeman, Ph.D.
A task in
1 of the
• Distracters that were neutral resulted in maintained activation in cognitive areas (blue)
• Emotional / distracters reduced cortical activation (and therefore working memory),
and increased activation in emotion-processing areas (red)
Blue areas: executive function. Red areas: affective function
Child to adolescent
Adolescent to adult
Sowell, et al., 2001
Red: synaptic pruning, myelination.
White: more gray matter, myelination4
In addition to being associated with inadequate sleep, too much “screen time” reduces homework and family time; increased correlation with learning difficulties
In the future we will have software to help us manage, not eliminate, interruptions
Po Bronson, “Snooze or Lose,”New York Magazine, Oct 7, 2007 http://nymag.com/news/features/38951/
Benedict Carey, “An Active, Purposeful Machine That Comes Out at Night to Play,”New York Times, Published: October 23, 2007 http://www.nytimes.com/2007/10/23/health/23memo.html
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“Frontline: Inside The Teenage Brain”PBShttp://www.pbs.org/wgbh/pages/frontline/shows/teenbrain/; accessed 10/30/07
“Is Multitasking More Efficient? Shifting Mental Gears Costs Time, Especially When Shifting To Less Familiar Tasks,” American Psychological Association Press Releases, 5 August 2001. http://www.apa.org/releases/multitasking.html.
Johnson JG, Cohen P, Kasen S, Brook JS. “Extensive Television Viewing And The Development Of Attention And Learning Difficulties During Adolescence.”Archives of Pediatric Adolescent Medicine. Vol. 161(5) May, 2007:480-6.
Nancy Knop, Ph.D. “Sleep, Learning, And Memory,” The Appalachian Reading Center and Professional Therapy Services, Inc. Charleston, West Virginia email@example.com, October 2007. Available on the Head-Royce School Library Web Site.
“Multi-Tasking Adversely Affects Brain's Learning, UCLA Psychologists Report.”Science Daily (Jul. 26, 2006) http://www.sciencedaily.com/releases/2006/07/060726083302.htm
Barbara Strauch, The Primal Teen: What the New Discoveries About the Teenage Brain Tell Us About Our Kids, Doubleday, 2003.
Clive Thompson, “Meet the Life Hackers,”New York Times, October 16, 2005. http://www.nytimes.com/2005/10/16/magazine/16guru.html.
Van den Bulck J. “Television Viewing, Computer Game Playing, And Internet Use And Self-Reported Time To Bed And Time Out Of Bed In Secondary-School Children.”Sleep. Vol. 27(1). Feb 2004:15-6.
Vandewater EA, Bickham DS, Lee JH. “Time Well Spent? Relating Television Use To Children's Free-Time Activities.”Pediatrics. Vol. 117(2). Feb 2006: e181-91.
Alex Williams, “Too Much Information? Ignore It,”New York Times, 11 November 2007.
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14. Tauman R, et al., 2004. Plasma C-reactive protein levels among children with sleep-disordered breathing. Pediatrics 113(6):e564-9. PMID:15173538
15. Partial night sleep deprivation reduces natural killer and cellular immune responses in humans. Irwin M, McClintick J, Costlow C, Fortner M, White J, Gillin JC. FASEB J. 1996 Apr;10(5):643-53 PMID: 8621064
16. Short Sleep Duration Is Associated with Reduced Leptin, Elevated Ghrelin, and Increased Body Mass Index. Shahrad Taheri, Ling Lin, Diane Austin, Terry Young, Emmanuel Mignot. PLoS Med. 2004 Dec;1(3):e62. Epub 2004 Dec 7. PMID: 15602591
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