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  1. Brain-Wide Index Identifies Youth at Risk for Bipolar Disorder
    Biological Psychiatry Cognitive Neuroscience and Neuroimaging ·Cohort Study · May 22, 2026

    Brain-Wide Index Identifies Youth at Risk for Bipolar Disorder

    A new study links a structural brain marker, the Regional Vulnerability Index for Bipolar Disorder, to familial risk and early symptoms.

  2. Red Blood Cells Contribute Alpha-Synuclein to Parkinson's Brain Pathology
    Brain ·Animal Study · May 22, 2026

    Red Blood Cells Contribute Alpha-Synuclein to Parkinson's Brain Pathology

    A new study in human tissues and mouse models identifies erythrocytes as a peripheral source of alpha-synuclein, influencing central nervous system.

  3. Withholding Response Modulates Perceptual Biases, Alters EEG Signatures
    Brain Research ·Case Series · May 22, 2026

    Withholding Response Modulates Perceptual Biases, Alters EEG Signatures

    Interrupting the perception-action cycle by omitting a response reconfigures sensory processing and electrophysiological activity.

  4. ABCDEF Bundle Does Not Reduce Delirium, Improves Specific Quality of Life Domain
    Critical Care Medicine ·Randomized Controlled Trial · May 21, 2026

    ABCDEF Bundle Does Not Reduce Delirium, Improves Specific Quality of Life Domain

    A randomized trial in Australian ICU patients found no delirium reduction with the ABCDEF bundle, but noted better 90-day 'usual activities' scores.

  5. Multimodal Biomarkers Enhance Parkinsonian Syndrome Diagnosis
    Nature Medicine ·Cohort Study · May 21, 2026

    Multimodal Biomarkers Enhance Parkinsonian Syndrome Diagnosis

    Combining dermal alpha-synuclein, 4-repeat tau SAAs, and serum neurofilament light chain improves diagnostic precision for neurodegenerative.

  6. EPAC2 Antagonism Restores Cortical Function, Behavior in Fragile X Mouse Model
    Neuron ·Animal Study · May 21, 2026

    EPAC2 Antagonism Restores Cortical Function, Behavior in Fragile X Mouse Model

    Targeting EPAC2 reverses molecular and functional deficits in a preclinical model of Fragile X Syndrome, suggesting a therapeutic avenue.

  7. Swedish Registry Data Reveal 6-Factor Genetic Structure for Psychiatric Disorders
    JAMA Psychiatry ·Cohort Study · May 21, 2026

    Swedish Registry Data Reveal 6-Factor Genetic Structure for Psychiatric Disorders

    A large cohort study identifies shared genetic vulnerabilities across 18 psychiatric and substance use disorders, refining diagnostic understanding.

  8. Low-Dose Buprenorphine Sustains Ketamine's Antisuicidal Effects in MDD
    American Journal of Psychiatry ·Randomized Controlled Trial · May 21, 2026

    Low-Dose Buprenorphine Sustains Ketamine's Antisuicidal Effects in MDD

    A randomized trial indicates sublingual buprenorphine extends ketamine's rapid reduction of suicidal ideation in major depressive disorder.

  9. Widespread Cortical Alterations in Adolescent Early-Onset Psychosis
    Molecular Psychiatry ·Cohort Study · May 21, 2026

    Widespread Cortical Alterations in Adolescent Early-Onset Psychosis

    A large-scale mega-analysis reveals extensive structural brain differences in adolescents with early-onset psychosis compared to controls.

  10. IL-6 Inhibition Shows Clinical Signals in Refractory Depression
    JAMA Psychiatry ·Randomized Controlled Trial · May 21, 2026

    IL-6 Inhibition Shows Clinical Signals in Refractory Depression

    A small trial of tocilizumab for difficult-to-treat depression suggests potential for symptom improvement and identifies patient selection markers.

  11. Anhedonia Severity Predicts Intermittent Theta-Burst Stimulation Response in MDD
    Biological psychiatry. Cognitive neuroscience and neuroimaging ·Cohort Study · May 21, 2026

    Anhedonia Severity Predicts Intermittent Theta-Burst Stimulation Response in MDD

    Baseline anhedonia levels influence neurophysiological and clinical outcomes following iTBS for major depressive disorder.

  12. MIF Modulates Astrocyte Distribution in Schizophrenia Cortical Spheroids
    Brain ·In Vitro Study · May 21, 2026

    MIF Modulates Astrocyte Distribution in Schizophrenia Cortical Spheroids

    A new study using patient-derived brain models identifies macrophage migration inhibitory factor (MIF) as a key regulator of astrocyte function.

  13. Melittin Mitigates Doxorubicin-Induced Neurotoxicity in Murine Models
    Brain Research ·Animal Study · May 21, 2026

    Melittin Mitigates Doxorubicin-Induced Neurotoxicity in Murine Models

    A study in mice suggests melittin, a bee venom component, reduces doxorubicin's neurotoxic effects by targeting inflammation and oxidative stress.

  14. Low-Dose IL-2 Fails to Expand Tregs After Alemtuzumab in RRMS
    PubMed ·In Vitro Study · May 21, 2026

    Low-Dose IL-2 Fails to Expand Tregs After Alemtuzumab in RRMS

    A mechanistic study reveals that low-dose interleukin-2 alone does not boost regulatory T cells in alemtuzumab-treated multiple sclerosis patients.

  15. MSK1 Mediates BDNF Signaling in Striatal Development, Affecting Psychiatric-Relevant Behaviors
    Molecular Psychiatry ·Animal Study · May 20, 2026

    MSK1 Mediates BDNF Signaling in Striatal Development, Affecting Psychiatric-Relevant Behaviors

    A new study identifies mitogen- and stress-activated kinase 1 (MSK1) as a key mediator in brain-derived neurotrophic factor (BDNF) pathways critical.

  16. Validating Generative AI Therapeutics: A Proposed Framework for Clinical Integration
    World Psychiatry ·Consensus Statement · May 20, 2026

    Validating Generative AI Therapeutics: A Proposed Framework for Clinical Integration

    A new framework outlines a multi-stage validation process to ensure the safety and efficacy of generative AI agents in mental health care.

  17. Cerebellar iTBS Improves Post-Stroke Cognition via Dentate Nucleus-Ventromedial Thalamus Pathway
    Brain Research ·Animal Study · May 20, 2026

    Cerebellar iTBS Improves Post-Stroke Cognition via Dentate Nucleus-Ventromedial Thalamus Pathway

    A mouse model study identifies the specific neural circuit mediating the cognitive benefits of intermittent theta-burst stimulation after stroke.

  18. VSED with Hospice: Clinical Course, Symptom Management, and Patient Demographics
    Journal of Pain and Symptom Management ·Case Series · May 20, 2026

    VSED with Hospice: Clinical Course, Symptom Management, and Patient Demographics

    A case series details the clinical trajectory, symptom burden, and care needs of patients choosing voluntarily stopping eating and drinking.

  19. Chronic Pain Mechanisms Show Distinct Cortical Connectivity Patterns
    Pain ·Cohort Study · May 20, 2026

    Chronic Pain Mechanisms Show Distinct Cortical Connectivity Patterns

    A study using TMS-EEG identifies neurophysiological differences across nociceptive, neuropathic, and nociplastic pain phenotypes.

  20. Amitriptyline Not Superior to Placebo for Leprosy-Related Neuropathic Pain
    Pain ·Randomized Controlled Trial · May 20, 2026

    Amitriptyline Not Superior to Placebo for Leprosy-Related Neuropathic Pain

    A randomized controlled trial found amitriptyline did not offer additional analgesia as add-on therapy for neuropathic pain in leprosy.

  21. TMEM106B Variant Delays FTD Onset in GRN Mutation Carriers
    Molecular Psychiatry ·Cohort Study · May 20, 2026

    TMEM106B Variant Delays FTD Onset in GRN Mutation Carriers

    A specific genetic variant significantly reduces FTD onset risk and extends median onset age by 14 years in GRN mutation carriers.

  22. Muscle Cramp Impact Index Validated for Multidimensional Symptom Assessment
    Neurology ·Diagnostic Accuracy Study · May 20, 2026

    Muscle Cramp Impact Index Validated for Multidimensional Symptom Assessment

    A new 14-item tool measures how muscle cramps interfere with sleep and daily life across neuromuscular, renal, and hepatic conditions.

  23. New Tool Assesses Integrative Oncology Competencies in Trainees
    Journal of Pain and Symptom Management ·Randomized Controlled Trial · May 20, 2026

    New Tool Assesses Integrative Oncology Competencies in Trainees

    A validated questionnaire helps evaluate baseline clinical skills in integrative oncology among healthcare provider trainees, supporting targeted.

  24. Remote Multicomponent Rehabilitation Does Not Improve Quality of Life for ICU Survivors
    JAMA ·Randomized Controlled Trial · May 20, 2026

    Remote Multicomponent Rehabilitation Does Not Improve Quality of Life for ICU Survivors

    A randomized trial found a 6-week remote rehabilitation program did not significantly enhance health-related quality of life at 8 weeks.