Neuroscience

NeuroMark SPECT Template Found Schizophrenia Perfusion Network Differences

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NeuroMark SPECT Template Found Schizophrenia Perfusion Network Differences

TL;DR: A 2026 medRxiv preprint introduced a 68-component NeuroMark template for single photon emission computed tomography (SPECT), a brain blood-flow imaging method, and found schizophrenia-related differences in cerebellar, subcortical, higher-cognition, visual, and triple-network perfusion patterns. Key Findings Template build: Researchers used blind independent component analysis on two large SPECT datasets of 5,001 and 5,000 scans …

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Schizophrenia Gut Microbiome Review Found Composition Shifts, Not Richness Loss

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Schizophrenia Gut Microbiome Review Found Composition Shifts, Not Richness Loss

TL;DR: A 2026 systematic review and meta-analysis in International Journal of Molecular Sciences found no significant global gut-microbiome alpha-diversity difference in schizophrenia, but reported recurring community-composition and taxonomic shifts. Key Findings 48 studies: The review included 48 human observational studies published between 2017 and 2025. 14 meta-analyzed studies: Only 14 studies provided enough data for …

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Schizophrenia MRI Study Found Cortical Network Subtypes

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Schizophrenia MRI Study Found Cortical Network Subtypes

TL;DR: A 2026 preprint on medRxiv used multisite MRI data from 3,958 people with schizophrenia and 5,489 controls to map cortical network disruptions and identify two robust brain-structure subtypes. Key Findings 9,447 MRI participants: The analysis included 3,958 individuals with schizophrenia and 5,489 neurotypical controls from 40 centers. Gradient alterations: Schizophrenia was linked with widespread …

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Resting Facial Expressions Differed in Older Adults With MCI-Level Scores

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Resting Facial Expressions Differed in Older Adults With MCI-Level Scores

TL;DR: A 2026 preprint on medRxiv found that older adults with mild-cognitive-impairment-level scores showed different resting facial action patterns than healthy controls, especially upper lip raiser, lip tightener, and lip suck measures. Key Findings MCI-level comparison: The study included 45 older adults and compared 31 participants in the MCI-level group with 14 healthy controls. MoCA-defined …

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Piano Timbre Changed With Key Movement Motor Control

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Piano Timbre Changed With Key Movement Motor Control

TL;DR: A 2025 study in PNAS found that expert pianists changed perceived piano timbre by altering specific key-movement features, and listeners could hear intended differences in weight, clarity, and brightness without seeing the performer. Key Findings 20 expert pianists: The performance experiment recruited competition-winning pianists with an average of 25.5 years of professional piano training. …

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Parkinson’s Prevention Review Highlights Exercise, Diet, Toxins, and Rehabilitation

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Parkinson's Prevention Review Highlights Exercise, Diet, Toxins, and Rehabilitation

TL;DR: A 2026 narrative review in Neurological Research and Practice argued that Parkinson’s prevention is most actionable through physical activity, Mediterranean-style diet patterns, toxin reduction, earlier prodromal detection, and better rehabilitation after diagnosis. Key Findings Fastest-growing neurological disorder: The review described Parkinson’s disease as the fastest-growing neurological disorder worldwide. 6.2 to 11.8 million cases: A …

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P2X7 Receptors May Link Neuroinflammation to Depression Biology

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P2X7 Receptors May Link Neuroinflammation to Depression Biology

TL;DR: A 2026 review in Purinergic Signalling argues that ATP-gated P2X receptors, especially P2X7 and P2X4, may connect stress-related neuroinflammation with depression and bipolar-disorder biology. Key Findings P2X7 focus: The review describes P2X7 receptor signaling as a major link between stress, microglial activation, NLRP3 inflammasome signaling, cytokine release, and lower neuroplasticity. P2X4 context: P2X4 receptors …

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Poly-GR Increased Ferroptosis Vulnerability in C9orf72-ALS Cells

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Poly-GR Increased Ferroptosis Vulnerability in C9orf72-ALS Cells

TL;DR: A 2026 study in Cell & Bioscience found that poly-GR, a toxic repeat protein linked to C9orf72-ALS, pushed motor neuron-like cells toward ferroptosis by raising lipid peroxidation and ferrous iron while weakening the Nrf2/Slc7a11 antioxidant pathway. Key Findings GR50 model: Researchers expressed EGFP-GR50, a 50-repeat glycine-arginine poly-GR construct, in NSC-34 motor neuron-like cells. Ferroptosis …

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AI-Guided Variable Levodopa Feasible in 5 Parkinson’s Patients

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AI-Guided Variable Levodopa Feasible in 5 Parkinson's Patients

TL;DR: A 2026 open-label feasibility trial in IBRO Neuroscience Reports tested an AI-guided variable levodopa schedule in 5 people with Parkinson’s disease and found 4 patients improved on UPDRS, but the study was far too small and uncontrolled to prove efficacy. Key Findings Feasibility sample: The single-center trial enrolled 5 people with Parkinson’s disease after …

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Social Mindfulness Favored Political Ingroup Members in fMRI Study

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Social Mindfulness Favored Political Ingroup Members in fMRI Study

TL;DR: A 2026 study in Cognitive, Affective, & Behavioral Neuroscience used functional MRI (fMRI) to show that adults made more socially mindful choices for political ingroup members than for outgroup or unclassified partners. Key Findings The fMRI task tested group-identity cues: 45 adults with strong pro- or anti-refugee stances made choices for ingroup, outgroup, or …

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