Word: neuroscientists
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...months, we crisscrossed the country, interviewing sleep experts, getting tested in sleep labs and even flying a 747 simulator after being awake for 30 hours. I got my first clue that I might be more sleep deprived than I thought in a lab run by Robert Stickgold, a cognitive neuroscientist at Harvard Medical School...
...Scientists have conducted several hundred studies of the theory that brain reserve - the effect of formal education and mentally challenging work and leisure pursuits - may, through some mechanism not fully understood, protect people against dementia. Aware that the studies had tossed up contradictory results, University of N.S.W. neuroscientist Michael Valenzuela and colleague Perminder Sachdev last year conducted the first systematic review of research on brain reserve. Having integrated data from 22 studies of possible links between people's behavior and their subsequent brain health, the pair bring down their verdict in a paper about to be published in British journal...
...thing because one hemisphere can be busy writing a grocery list or solving an equation while the other scans the environment and tends to other basic chores. As we age, however, the walls between the hemispheres seem to fall, with the two halves working increasingly in tandem. Neuroscientist Roberto Cabeza of Duke University dubs that the HAROLD (hemispheric asymmetry reduction in older adults) model, and judging by his work, the phenomenon is a powerful...
...agree that what matters most is not what toy the baby plays with but the ways in which you interact with your child. "There's no question that the experiences a child has in its first year are crucial for cognitive, emotional and physical development," says Lise Eliot, a neuroscientist at Chicago Medical School and author of What's Going On in There? How the Brain and Mind Develop in the First Five Years of Life. "But the good news is none of this costs any money. Babies prefer humans over anything inanimate...
...eight hours of sleep a night for adults and at least an hour more for adolescents. Yet 71% of American adults and 85% of teens do not get the suggested amount, to the detriment of body and mind. "Sleep is sort of like food," says Robert Stickgold, a cognitive neuroscientist at Harvard Medical School. But, he adds, there's one important difference: "You can be quite starved and still alive, and I think we appreciate how horrible that must be. But many of us live on the edge of sleep starvation and just accept...