MeSH tree: D02.455.426.559.389.657.166
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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Most people have experienced the feeling: switching from one task to another, only to find the brain momentarily stuck in the old mode of thinking. Sometimes, even after realizing a strategy no longer works, the mind keeps ...
May 21, 2026
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You've just finished a workout, lungs burning, heart pumping, and you feel energized and ready to take on the day. That's your brain rewarding you with a hit of dopamine—the feel-good hormone that exercise is known to trigger.
May 13, 2026
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Many people finish the workday not just tired but wired. Their mind keeps racing, their body feels tense, and even in moments that should be restful they feel a lingering sense of urgency. Conversations replay in their mind, ...
May 5, 2026
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For decades, psychology and neuroscience have suggested that if humans and animals naturally try to make as little effort as possible, it is because putting in the effort is not enjoyable.
May 4, 2026
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Ever heard of getting a "dopamine hit" from something you enjoy? These exciting moments also appear to influence memory, although perhaps not in the way you'd expect.
May 4, 2026
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With no known cure for Parkinson's disease, research suggests that exercise is one of the most effective ways to slow its progression. "Exercise may be more than just good for your general health, as it can actually help ...
May 3, 2026
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After a heart attack, the body rapidly floods the injured heart with neutrophils—white blood cells that help repair damage but can also make it worse when too many arrive too quickly. New research from the University of Oklahoma ...
May 2, 2026
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For nearly 25 years, scientists believed they knew what caused the most severe form of narcolepsy. A new UCLA Health study now suggests they were only half correct. In a study published in Nature Communications, UCLA Health ...
Apr 30, 2026
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Nerve fibers within melanomas can slow their growth, according to a study led by Weill Cornell Medicine investigators. The findings help clarify the emerging field of cancer neuroscience and may inform future therapeutic ...
Apr 29, 2026
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