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TL;DR: A 2026 study in Neuropsychopharmacology found that 30 mg 2C-B produced acute subjective effects in healthy adults that were similar in overall intensity to 125 mg MDMA, shorter and less distressing than 25 mg psilocybin, and less cardiovascularly stimul…
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TL;DR: A 2026 study in Nature Communications found that proteotoxic stress can push neurons into karyoptosis, a cell-death pathway marked by nuclear lamina breakdown, nuclear-material expulsion, and dementia-linked tissue signatures. Key Findings Karyoptosis w…
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TL;DR: A 2026 ADNI analysis posted to medRxiv found that brain-derived plasma pTau217 better predicted near-term amyloid positron emission tomography (PET) positivity than total plasma pTau217 in cognitively unimpaired amyloid-negative participants. Key Findin…
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TL;DR: A 2026 retrospective analysis posted to medRxiv linked diclofenac and naproxen use in the NACC cohort to lower dementia and Alzheimer disease prevalence, while diclofenac use was also associated with slower Montreal Cognitive Assessment (MoCA) cognitive…
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TL;DR: A 2026 medRxiv preprint reported that peripheral blood RNA sequencing separated Parkinson disease from healthy controls and isolated REM sleep behavior disorder more clearly than it separated isolated REM sleep behavior disorder from controls. Key Findi…
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TL;DR: A 2026 protocol posted to medRxiv describes a nationwide Japan survey designed to measure how dementia specialists handle anti-amyloid antibody therapy, biomarker testing, MRI safety monitoring, service capacity, and patient-choice tradeoffs. Key Findin…
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TL;DR: A 2026 randomized trial posted to medRxiv found that connectivity-guided accelerated intermittent theta-burst stimulation added to inpatient care improved treatment-resistant depression scores more than sham stimulation over 2 weeks. Key Findings 57 ran…
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TL;DR: A 2026 human study in Biological Psychiatry: Global Open Science found that low-intensity focused ultrasound aimed at salience-network hubs improved early skin-conductance habituation to repeated startle sounds, while eye-blink and EEG habituation did n…
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TL;DR: A 2026 study in The Journal of Physiology found that steady-state Purkinje-cell firing patterns had limited ability to predict cerebellar nuclei output in mouse models of cerebellar movement disease. Key Findings 5 disease models: The reanalysis used in…
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TL;DR: A 2026 study in Nature Communications found that PLTi, an evolutionarily old group of inhibitory brainstem neurons, was required for mice to choose a goal-relevant visual target over lower-priority distractors. Key Findings PLTi defined: Parabigemino-la…
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