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TL;DR: During Parkinson’s surgery, 19 people played a game where they accepted or rejected money splits. Dopamine-like neurons deep in their brains fired more when an offer beat what the person expected, and this signal was stronger when the offer seemed to co…
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TL;DR: A 2026 study in Brain, Behavior, & Immunity – Health reported that Theiler’s murine encephalomyelitis virus (TMEV), a mouse neurotropic virus, infected substantia nigra dopamine neurons and produced Parkinson’s-like motor deficits in mice. Key Findings…
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TL;DR: A 2026 iScience study recorded human substantia nigra neurons during Parkinson’s surgery and found that putative dopamine-neuron firing was higher after a prior reward, while the next response was modestly faster. Key Findings Direct human recordings: R…
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Parkinson’s disease (PD) is a neurodegenerative disorder characterized by the loss of dopamine-producing neurons. Dopamine plays an important role in PD development. Here are some key facts: Dopamine is a chemical messenger in the brain involved in movement, m…
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