People with Prader Willi syndrome, a genetic disorder, have an insatiable appetite. They never feel full, even after a hearty meal. The result can be life-threatening overeating and obesity.
Nov 17, 2021
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Levels of dopamine and the placebo effect can determine whether patients with social anxieties improve when treated with SSRIs. A new study shows the effect was four times higher for patients with high expectations of the ...
Nov 8, 2021
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Among the neurotransmitters in the brain, dopamine has gained an almost mythical status. Decades of research have established its contribution to several seemingly unrelated brain functions including learning, motivation, ...
Oct 26, 2021
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The role of neuron and dopamine loss in Parkinson's Disease (PD) has long been recognized by neuroscientists. However, how dopaminergic modulation affects brain regions involved in the control of voluntary movement remains ...
Oct 20, 2021
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A new study published today in Nature Neuroscience has uncovered neuronal circuitry in the brain of rodents that may play an important role in mediating pain-induced anhedonia—a decrease in motivation to perform reward-driven ...
Oct 18, 2021
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Levodopa, or L-dopa, is considered the most effective treatment for Parkinson's disease today. After a few years of treatment, however, almost all patients develop a debilitating side-effect called L-dopa induced dyskinesia, ...
Sep 22, 2021
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Pioneering research shows that dopamine levels increase in response to stressful stimuli, and not just pleasurable ones, potentially rewriting facts about the "feel-good" hormone—a critical mediator of many psychiatric ...
Sep 16, 2021
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The neurotransmitter dopamine influences the activity of a wide variety of brain areas. A deficiency of this substance can have drastic consequences: The death of dopamine-producing nerve cells in the substantia nigra—a ...
Sep 14, 2021
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Contrary to common thinking, cocaine triggers an addiction in only 20 percent of consumers. But what happens in their brains when they lose control of their consumption? Thanks to a recent experimental method, neuroscientists ...
Sep 9, 2021
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The key to overcoming addictions and psychiatric disorders lives deep inside the netherworld of our brains and the circuitry that causes us to feel good.
Sep 1, 2021
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