Word: effect
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Dates: during 2000-2009
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...Dopamine transporters perform cleanup work," says Volkow. "They remove dopamine after it's released and recycle it." The more dopamine that gets left in the spaces between cells, the longer its rewarding effect on the brain - and the likelier it is to lay down the roots of addiction. As Volkow and Fowler suspected, the PET scans of the men who had taken modafinil showed that dopamine transporters were indeed being blocked by the drug and overall levels were rising...
...Either way, you're going to make a mess, and surprisingly fast. Volkow points out that even without increasing dopamine output, modafinil blocks the re-uptake of more than half the amount the brain naturally releases. "This completely negates the argument that modafinil has no dopaminergenic effect," she says. "It does have the drug signature required to produce addiction." The safe party drug, once again, is not nearly as safe as it seems...
...element of a player’s interaction. Studies may have found corollary evidence linking violent games to violent behavior, but, as anyone who has taken even the most basic statistics class can remind us, correlation does not equal causation, and there is no convincing evidence of a causal effect here. There are simply too many lurking variables—socially awkward teenagers may play violent video games, but so do many perfectly happy teens. We cannot prove that playing the games somehow morphs teens into serial killers...
...When the day finally arrived on March 13, the protests engendered an ironic consequence: although they propounded a divisive message, their effect on the community was decidedly uniting...
This weekend, the Black Law Students Association held its annual spring conference, titled “The Fierce Urgency of Now: Effecting Change at Home and Across the Globe” with New Orleans Mayor C. Ray Nagin, Jr., as a keynote speaker. The conference, which ran from Friday through yesterday afternoon, was open to Harvard students and the general public. It was intended to inform attendees of issues affecting the Black community, according to the BLSA’s Web site. Brigid K. Ndege ’10, a Harvard Law School student and BLSA member, said she attended...