MeSH tree: D02.092.311
Scientists usually use animal models when studying Parkinson's disease because these models mimic the disease well. They are limited, however, because they require either gene modifications or the injection of toxicants, ...
Jun 29, 2026
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A new University of Otago—Ōtākou Whakaihu Waka-led study has put its own spin on Pavlov's dog experiment, shining a light on how our brain learns new things. The study, "The superior colliculus gates dopamine responses to ...
Jun 17, 2026
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Researchers at the Federal University of São Paulo (UNIFESP) in Brazil have discovered a new strategy that may protect neurons and other brain cells involved in Parkinson's disease in the future. The results of the study, ...
Jun 15, 2026
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Teenage risk-taking, such as experimentation with alcohol, cannabis, nicotine and other substances, may reflect a compensatory response to lower baseline dopamine, the brain chemical for reward activity, a new University ...
Jun 11, 2026
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You sit down to start a task you care about. Nothing happens. You open your phone instead. Minutes turn into hours. You feel restless, flat, or oddly exhausted, even though you haven't done much at all.
Jun 4, 2026
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Becoming a mother changes the brain not just temporarily, but for life. Pregnancy and the postpartum period trigger lasting changes in the maternal brain through the brain chemical dopamine, producing long-term benefits to ...
Jun 4, 2026
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Scientists from Tokyo Metropolitan University have revealed key parts of the biochemical pathways connecting stress to sexual dysfunction. By studying Drosophila fruit flies, they showed that the neurotransmitter dopamine ...
Jun 1, 2026
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A new study by emergency medicine researchers at UC Davis Health set out to assess the effects of naloxone administration by first responders treating patients with out-of-hospital cardiac arrest (OA-OHCA). The study, published ...
May 29, 2026
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Making children laugh can build deep emotional connections and soothe their nervous systems, making them more resilient and open to new ideas, says a leading child development expert. Dr. Jacqueline Harding, director of Tomorrow's ...
May 24, 2026
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Scientists long assumed that learning speed depends primarily on our experience—how many times we try and succeed—not the size of the reward. We become better at poker because we keep playing and winning, regardless of the ...
May 21, 2026
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