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Impulsivity, rewards and Ritalin: Monkey study shows tighter link

Scientifically, impulsivity can appear as a choice for a small but immediate reward over a larger one that requires some delay. Choosing between present and…

Study pinpoints effects of different doses of an ADHD drug; Finds higher doses may harm learning

The results parallel a 1977 finding that a low dose of the drug boosted cognitive performance of children with ADHD, but a higher dose that reduced their…

For First Time, Monkeys Recognize Themselves in the Mirror, Indicating Self-Awareness

Chimpanzees and people pass this “mark” test — they obviously recognize their own reflection and make funny faces, look at a temporary mark that the scientists…