5-10 mg THC Did Not Broadly Reduce Stress-Memory Responses

5-10 mg THC Did Not Broadly Reduce Stress-Memory Responses

TL;DR: A 2026 study in Psychopharmacology found that low oral THC doses did not meaningfully reduce most subjective or physiological responses when healthy adults retrieved memories of a prior social stress task. Key Findings Low-dose THC groups: Participants aged 18-35 were assigned to placebo, 5 mg THC, or 10 mg THC groups, with 12 people …

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Psilocybin AUD Trial Found Exploratory TLE4 and RASGRP4 Methylation Signals

Psilocybin AUD Trial Found Exploratory TLE4 and RASGRP4 Methylation Signals

TL;DR: A 2026 exploratory study in Translational Psychiatry found blood DNA methylation changes after 25 mg psilocybin in detoxified alcohol use disorder patients, including findings near TLE4 and RASGRP4, but the small trial did not establish a definitive AUD biomarker. Key Findings 37 AUD patients: The methylation analysis used a randomized, double-blind psilocybin trial completed …

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Neonatal Gyri Showed Stronger Brain Connectivity Than Sulci

Neonatal Gyri Showed Stronger Brain Connectivity Than Sulci

TL;DR: A 2026 study in Human Brain Mapping found that full-term neonates already showed stronger structural and functional connectivity between cortical gyri than between sulci, with brain structure-function coupling shifting toward decoupling around 41 weeks postmenstrual age. Key Findings Neonatal imaging sample: Researchers analyzed full-term neonates from the developing Human Connectome Project scanned between 38.14 …

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Leigh Syndrome Organoid Drug Screen Identified Talarozole and Sertaconazole

Leigh Syndrome Organoid Drug Screen Identified Talarozole and Sertaconazole

TL;DR: A 2026 study in Nature Communications used deep learning, yeast screening, and human brain organoids to identify talarozole and sertaconazole as preclinical candidates that rescued several SURF1-related Leigh syndrome cell and organoid phenotypes. Key Findings 2,250-drug yeast screen: Researchers screened a repurposable-drug library in a yeast model carrying a SURF1-homologue defect and selected top …

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Chicory and Green Tea Sleep Supplement Did Not Beat Placebo in Insomnia Pilot

Chicory and Green Tea Sleep Supplement Did Not Beat Placebo in Insomnia Pilot

TL;DR: A 2026 pilot trial in PLOS One found that a 7-day chicory-and-green-tea herbal supplement did not improve sleep, quality of life, or objective sleep architecture more than placebo in adults with insomnia. Key Findings Small crossover pilot: The crossover pilot enrolled 10 adults aged 50 years or older with insomnia; 9 were women and …

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Amygdala-ACC Connectivity Was Reduced in Anxiety Disorders Meta-Analysis

Amygdala-ACC Connectivity Was Reduced in Anxiety Disorders Meta-Analysis

TL;DR: A 2026 meta-analysis in Psychological Medicine found that reduced resting-state connectivity between the amygdala and anterior cingulate cortex was the most robust brain-network difference in anxiety disorders. Key Findings 15 datasets: The meta-analysis pooled 14 studies with 15 independent datasets of amygdala-based resting-state functional MRI. 783 total participants: Included samples covered 378 people with …

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AI Identified CgA-KO/PS19 Mouse Model of Asymptomatic Alzheimer’s Resilience

AI Identified CgA-KO/PS19 Mouse Model of Asymptomatic Alzheimer’s Resilience

TL;DR: A 2026 study in Acta Neuropathologica Communications used Boolean-network AI analysis of Alzheimer’s RNA-seq data to identify a 40-gene disease signature and validate CgA-KO/PS19 mice as a model of asymptomatic Alzheimer’s-like resilience. Key Findings 289-person training set: Boolean Network Explorer was trained on cortical RNA-seq data from 70 cognitively normal controls and 219 Alzheimer’s …

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Psychosis in Lupus Linked to Immune Disease Activity in Review

Psychosis in Lupus Linked to Immune Disease Activity in Review

TL;DR: A 2026 systematic review and meta-analysis in Lupus found that psychosis affected about 4.5% of adults with systemic lupus erythematosus (SLE), was more common in neuropsychiatric SLE, and tracked most strongly with active immune disease markers rather than serving as a stand-alone psychiatric label. Key Findings Sixty-five studies were included: The review covered 31,495 …

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Head Impact MEG Changes Mapped to Neurochemical Brain Systems

Head Impact MEG Changes Mapped to Neurochemical Brain Systems

TL;DR: A 2026 preprint in medRxiv found that head-impact-related magnetoencephalography (MEG) changes in high-school football players were strongest in cortical regions matching specific neurotransmitter and gene-expression maps, especially norepinephrine, nicotinic acetylcholine, APOE, and BDNF-related patterns. Key Findings MEG tracked pre-to-post-season brain signaling across 278 timepoints from 91 male high-school football players. Concussion-related cortical slowing aligned …

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fMRI Noise Signal Tracked Nicotine Craving and Stimulant Effects

fMRI Noise Signal Tracked Nicotine Craving and Stimulant Effects

TL;DR: A 2026 study in Biological Psychiatry: Global Open Science found that systemic low-frequency oscillation (sLFO), a slow whole-body physiology readout usually treated as functional MRI noise, tracked nicotine dependence, cue-induced craving, abstinence, and stimulant-related task performance across four fMRI cohorts. Key Findings The study analyzed four fMRI cohorts: Researchers examined a 64-person cigarette cue-reactivity …

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