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  1. Acquired Anosmia Affects Quality of Life More Than Congenital Anosmia
    Rhinology ·Cohort Study · May 20, 2026

    Acquired Anosmia Affects Quality of Life More Than Congenital Anosmia

    A study of 59 patients reveals how the origin and duration of anosmia influence perceived impairment and coping.

  2. Spatial Proteomics Identifies Plaque-Associated Microglia in Alzheimer's Brains
    Nature Neuroscience ·Cross-Sectional Study · May 20, 2026

    Spatial Proteomics Identifies Plaque-Associated Microglia in Alzheimer's Brains

    A new imaging technology reveals a specific microglial subpopulation linked to dense amyloid-beta plaques in human Alzheimer's disease.

  3. AD109 Reduces Apnea-Hypopnea Index in PAP-Intolerant OSA Patients
    American Journal of Respiratory and Critical Care Medicine ·Randomized Controlled Trial · May 20, 2026

    AD109 Reduces Apnea-Hypopnea Index in PAP-Intolerant OSA Patients

    An oral combination of aroxybutynin and atomoxetine significantly improved objective respiratory metrics over 26 weeks.

  4. Genetic Maps Reveal Psychiatric Disorder Clusters, Clinical Feature Links
    World Psychiatry ·Cohort Study · May 20, 2026

    Genetic Maps Reveal Psychiatric Disorder Clusters, Clinical Feature Links

    A Swedish register study maps genetic risk for 12 disorders, showing how liabilities vary with sex, onset age, and recurrence.

  5. MSC-Exos Restore Hippocampal Neuron Morphology After Stress via Wnt5a Pathway
    Brain Research ·In Vitro Study · May 20, 2026

    MSC-Exos Restore Hippocampal Neuron Morphology After Stress via Wnt5a Pathway

    Mesenchymal stem cell-derived exosomes mitigate stress-induced morphological deficits in hippocampal neurons through a specific signaling pathway.

  6. Periventricular Lesions Drive Cognitive Decline by Disrupting Cholinergic Pathways in Parkinson's
    Brain ·Cohort Study · May 20, 2026

    Periventricular Lesions Drive Cognitive Decline by Disrupting Cholinergic Pathways in Parkinson's

    White matter injury triggers cortical terminal loss and retrograde atrophy, identifying a structural biomarker for cognitive risk.

  7. PET Imaging Tracks Metabolic Decline Across ALS Clinical Stages
    Brain ·Cohort Study · May 20, 2026

    PET Imaging Tracks Metabolic Decline Across ALS Clinical Stages

    A large cohort study links King's staging to progressive loss of brain connectivity and transient cerebellar recruitment in ALS.

  8. Most Common Mental Disorder Interventions Lack Robust Evidence
    World Psychiatry ·Systematic Review · May 19, 2026

    Most Common Mental Disorder Interventions Lack Robust Evidence

    A systematic review of Cochrane data reveals that less than a quarter of interventions for common mental disorders have high or moderate quality evide

  9. Younger Brain Age Buffers Cognitive Impact of Tau Pathology
    Neurology ·Cohort Study · May 19, 2026

    Younger Brain Age Buffers Cognitive Impact of Tau Pathology

    Structural brain integrity, but not education level, modifies the link between p-tau217 and cognitive performance in older adults.

  10. Semantic-Metacognitive Therapy Improves Naming in Semantic Variant PPA
    Annals of Physical and Rehabilitation Medicine ·Case Series · May 19, 2026

    Semantic-Metacognitive Therapy Improves Naming in Semantic Variant PPA

    A single-case experimental study shows specific speech therapy can improve naming performance in individuals with semantic variant primary.

  11. Global Psychiatry Congress Reveals Gender, Age, Geographic Representation Patterns
    World Psychiatry ·Cross-Sectional Study · May 19, 2026

    Global Psychiatry Congress Reveals Gender, Age, Geographic Representation Patterns

    Analysis of the 25th World Congress of Psychiatry highlights attendee demographics and presenter contributions by gender and country income.

  12. Acetate Attenuates Microglial Inflammation in Traumatic Brain Injury Model, Not Sepsis
    Brain Research ·In Vitro Study · May 19, 2026

    Acetate Attenuates Microglial Inflammation in Traumatic Brain Injury Model, Not Sepsis

    Physiological doses of the gut metabolite acetate reduced inflammatory markers in an in vitro TBI model, but not in a sepsis model.

  13. Autonomic Burden Linked to Cognitive Fluctuations in Lewy Body Dementia
    Neurology ·Cohort Study · May 19, 2026

    Autonomic Burden Linked to Cognitive Fluctuations in Lewy Body Dementia

    A longitudinal study finds autonomic symptom severity correlates with neuropsychiatric burden and reduced caregiver quality of life.

  14. Anterior Temporal Atrophy Precedes Semantic Dementia Symptoms by Five Years
    Brain ·Diagnostic Accuracy Study · May 19, 2026

    Anterior Temporal Atrophy Precedes Semantic Dementia Symptoms by Five Years

    Large-scale MRI analysis identifies a prolonged prodromal phase and quantifies the prevalence of incidental anterior temporal lobe loss.

  15. Amateur Soccer Heading Linked to Acute Elevations in Neural Damage Biomarkers
    JAMA Neurology ·Cohort Study · May 18, 2026

    Amateur Soccer Heading Linked to Acute Elevations in Neural Damage Biomarkers

    A prospective study found that heading in amateur soccer acutely increases blood levels of p-tau217 and S100B, with dose-response relationships.

  16. Cervical Spinal Cord Injury Linked to Higher Depression Risk Than Lower-Level Injuries
    Annals of Physical and Rehabilitation Medicine ·Cohort Study · May 18, 2026

    Cervical Spinal Cord Injury Linked to Higher Depression Risk Than Lower-Level Injuries

    A nationwide cohort study reveals patients with cervical SCI face a significantly elevated risk of depression compared to those with thoracic/lumbar.

  17. Real-World Data Predicts Long-Term Poor Outcomes in Clinical High-Risk Psychosis
    World Psychiatry ·Cohort Study · May 18, 2026

    Real-World Data Predicts Long-Term Poor Outcomes in Clinical High-Risk Psychosis

    A new model identifies individuals at clinical high risk for psychosis who face diverse long-term adverse events, including hospitalization and suicid

  18. MEG Reveals Specific Brain and Autonomic Changes in PTSD Affective Processing
    Brain Research ·Cohort Study · May 18, 2026

    MEG Reveals Specific Brain and Autonomic Changes in PTSD Affective Processing

    Electrophysiological and heart rhythm markers identify altered affective processing in service members with post-traumatic stress disorder.

  19. Continuous EEG Enhances Detection of Post-Stroke Epilepsy Predictors
    Annals of Neurology ·Cohort Study · May 18, 2026

    Continuous EEG Enhances Detection of Post-Stroke Epilepsy Predictors

    A retrospective study shows continuous EEG significantly improves identification of epileptiform activity and prediction of post-stroke epilepsy.

  20. Cingulum Hippocampus White Matter Integrity Linked to Suicide Attempts in Bipolar Disorder
    Biological Psychiatry Cognitive Neuroscience and Neuroimaging ·Cohort Study · May 18, 2026

    Cingulum Hippocampus White Matter Integrity Linked to Suicide Attempts in Bipolar Disorder

    Reduced fractional anisotropy in the cingulum hippocampus, mediated by impulsivity, associates with suicide attempts in bipolar disorder.

  21. Accelerometer Data Predicts Dementia Risk in Older Adults
    JAMA Neurology ·Cohort Study · May 18, 2026

    Accelerometer Data Predicts Dementia Risk in Older Adults

    Objective sleep-wake cycle metrics from wearables modestly enhance dementia risk prediction, comparable to APOE genotype.

  22. CANMAT launches 2024 guideline for Major Depressive Disorder Management
    CANMAT ·Clinical Guideline · May 18, 2026

    CANMAT launches 2024 guideline for Major Depressive Disorder Management

    The updated CANMAT guideline extends recommended antidepressant maintenance duration and emphasizes earlier adjunctive strategies for limited.

  23. CANMAT launches 2024 guideline for Perinatal Mood, Anxiety, and Related Disorders
    CANMAT ·Clinical Guideline · May 18, 2026

    CANMAT launches 2024 guideline for Perinatal Mood, Anxiety, and Related Disorders

    The new CANMAT guideline emphasizes routine, systematic screening for perinatal mood and anxiety disorders throughout pregnancy and up to one year.

  24. ASAM launches Joint Clinical Practice Guideline on Benzodiazepine Tapering
    ASAM ·Clinical Guideline · May 18, 2026

    ASAM launches Joint Clinical Practice Guideline on Benzodiazepine Tapering

    This new guideline emphasizes patient-centered, gradual benzodiazepine tapering, with a strong caution against abrupt discontinuation due.