MeSH tree: D02.455.426.559.389.657.166
Scientists have long studied the role of dopamine, a chemical in the brain that helps control learning and movement, in order to better understand Parkinson's disease, schizophrenia, and depression—afflictions caused, in ...
Mar 25, 2026
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A Boston University-led research team has discovered a dopamine signal in the brain that helps determine whether you are moving toward or away from a goal, potentially shedding new light on how the brain uses visual information ...
Mar 19, 2026
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Scientists have long known that dopamine helps the brain learn from rewards, but a new computational model shows how for people with schizophrenia this learning system can break down and simultaneously produce two very different ...
Mar 18, 2026
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We have long been told a simple story about reward: Dopamine is the "wanting" molecule that drives us toward goals, and opioids are the "liking" molecules that provide the hit of pleasure once we get there. But this pleasure-centric ...
Mar 17, 2026
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For almost a century, psychology and neuroscience researchers have been trying to understand the processes via which humans and other animals acquire new skills or learn to deal with specific situations. One well-known and ...
New research by engineers at the University of Colorado Boulder aims to get to the bottom of why, as the saying goes, you get a "skip in your step" when you're happy.
Feb 27, 2026
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A large new study suggests that higher levels of a common amino acid called tyrosine may be linked to a shorter lifespan in men.
Feb 27, 2026
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When we learn a new motor skill—whether mastering a piano passage or refining balance while walking—the brain must reorganize the circuits that control movement. For decades, this process of synaptic remodeling has been attributed ...
Feb 24, 2026
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Depression is a complex and deeply personal experience. While almost everyone has periods of sadness, low mood or grief, depression is different. Major depressive disorder is persistent, interferes with day-to-day activities, ...
Feb 22, 2026
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For the first time, researchers show that tirzepatide—the active ingredient in the diabetes and weight-loss drug Mounjaro—reduces alcohol intake as well as relapse-like behaviors in rats and mice. The findings are considered ...
Feb 20, 2026
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