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TL;DR: A 2026 study in eNeuro used intracranial electroencephalography (EEG), a recording method for brain electrical activity, during deep brain stimulation surgery and found that Parkinson’s disease and essential tremor patients with elevated depression symp…
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TL;DR: A 2026 preprint in medRxiv used 18F-DOPA positron emission tomography (PET) to estimate dopamine synthesis and storage, and found that caudate dopamine synthesis decreased as schizophrenia patients moved from active psychosis into early psychotic remiss…
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TL;DR: A 2026 Human Brain Mapping study combined PET receptor imaging with speech functional MRI, or fMRI, in healthy adults and found that GABA signaling and striatal dopamine release interacted with brain activity during human speech control. Key Findings PE…
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Counterfactual Curiosity Lit Up the Striatum TL;DR: People paid a waiting cost to reveal a missed payoff in a balloon task, and reward-related striatum activity tracked both the choice to know and the size of the missed opportunity. Key Findings Functional MRI…
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