MeSH tree: D02.455.426.559.389.657.166
That satisfying feeling after doomscrolling through endless TikTok videos or impulsively shopping online mimics the relief of scratching an itch. This is dopamine at work—a brain chemical (neurotransmitter) responsible for ...
Jan 21, 2025
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Dopamine is a key neurotransmitter known to modulate motivation and reinforcement learning. While the role of dopamine in these reward-related processes is well-established, the cellular and neural circuit-level mechanisms ...
In an unprecedented new study, researchers have shown neurotransmitters in the human brain are released during the processing of the emotional content of language, providing new insights into how people interpret the significance ...
Jan 8, 2025
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168
Getting a good night's sleep is a critical part of our daily biological cycle and is associated with improved brain function, a stronger immune system, and a healthier heart. Conversely, sleep disorders like insomnia and ...
Jan 8, 2025
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243
University of Arizona researchers have revealed new insights into one of the most common complications faced by Parkinson's disease patients: uncontrollable movements that develop after years of treatment.
Jan 3, 2025
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We all know that time seems to pass at different speeds in different situations. For example, time appears to go slowly when we travel to unfamiliar places. A week in a foreign country seems much longer than week at home.
Jan 2, 2025
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The standard medication levodopa does not always work against tremors in Parkinson's disease, especially in stressful situations. Propranolol, however, does work during stress, providing insight into the role of the stress ...
Dec 23, 2024
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When you are feeling hungry, the brain takes the necessary steps toward consuming a meal. Many of these steps are not well known, but a new study published in the journal Metabolism by researchers at Baylor College of Medicine ...
Dec 20, 2024
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Adding sugar or artificial sweeteners to coffee disrupted the body clocks in mice more than coffee on its own, researchers have found, with it causing day and night to be reversed in some mice. If this holds for humans as ...
Dec 19, 2024
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The decades-old anesthetic ketamine could be a game changer for treating severe depression, but there are still many questions about how the drug works, including exactly how it affects the brain's cells and circuits.
Dec 17, 2024
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