Un nouvel article de Literary Hub examine les idées reçues entourant le neurotransmetteur qu'est la dopamine.
L'article intitulé A Complex Yet Crucial Chemical: Exposing Myths About Dopamine a été publié le 13 mai 2026. Il se concentre sur la clarification du rôle de cette substance chimique cérébrale importante. Aucun événement spécifique, citation ou détail supplémentaire n'a été fourni dans la source.
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Researchers studying young adults with major depressive disorder have reported an unusual energy “signature” in both the brain and immune blood cells: higher ATP-related measures at rest, paired with a reduced ability to increase energy production when demand rises. The findings, published in Translational Psychiatry, may help explain common symptoms such as fatigue and low motivation, though the work is early and based on a small sample.
Science journalist Michaeleen Doucleff appeared on CBS Saturday Morning to discuss her new book, Dopamine Kids. She offered advice for parents aiming to reduce their children's screen time and junk food consumption. The discussion highlights practical strategies rooted in scientific insights.
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MRI scans of 120 adults in the United States found that people with higher psychopathic traits had a striatum—an area involved in reward and motivation—that was about 10% larger on average than those with few or no such traits, according to a study in the Journal of Psychiatric Research.
Astrocytes—cells once widely described primarily as neuronal support—may be key intermediaries in how the brain translates a post-meal rise in glucose into satiety signals, according to a study published April 6, 2026, in the Proceedings of the National Academy of Sciences.
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Ars Technica has compiled six intriguing scientific discoveries that nearly escaped notice. The roundup covers dolphin swimming physics, Roman ship repairs, and mushroom communication via urine. Published on May 2, these stories span physics, archaeology, and biology.