Scientists at the University of Maryland School of Medicine have for the first time found direct causal links between the neurotransmitter dopamine and avoidance—behavior related to pain and fear.
Apr 19, 2018
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For decades, psychologists have viewed the neurotransmitter dopamine as a double-edged sword: released in the brain as a reward to train us to seek out pleasurable experiences, but also a "drug" the constant pursuit of which ...
Dec 10, 2018
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(Medical Xpress)—To John Salamone, professor of psychology and longtime researcher of the brain chemical dopamine, scientific research can be very slow-moving.
Dec 3, 2012
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In a new study of seven people with Parkinson's disease, Johns Hopkins Medicine researchers report evidence that deep brain stimulation using electrical impulses jumpstarts the nerve cells that produce the chemical messenger ...
Aug 21, 2019
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Researchers have shown that a type of magnetic resonance imaging—called neuromelanin-sensitive MRI (NM-MRI)—is a potential biomarker for psychosis. NM-MRI signal was found to be a marker of dopamine function in people ...
Feb 18, 2019
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Over the past decades, many neuroscientists have investigated how the mammalian brain modulates pain, trying to uncover the neural mechanisms underpinning chronic pain. Chronic pain is pain in specific parts of the body, ...
Scientists of the Higher School of Economics, Indiana University, and École normale supérieure have clarified how alcohol influences the dopamine and inhibitory cells in the midbrain that are involved in the reward system ...
Dec 20, 2018
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The neurotransmitter dopamine plays a major role in mental illnesses like substance abuse disorders and depressive disorders, as well as a more general role in reward and motivational systems of the brain. But there are still ...
Feb 1, 2018
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Neurons that produce the neurotransmitter dopamine communicate with T cells to enhance allergic inflammation in the lungs of young mice but not older mice, researchers report November 19 in the journal Immunity. The findings ...
Nov 19, 2019
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Abnormal clumps of certain proteins in the brain are a prominent feature of Parkinson's and other neurodegenerative diseases, but the role those same proteins might play in the normal brain has been unknown.
Jul 28, 2017
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