Can measuring how the brain reorganizes 24 hours after a ketamine infusion predict whether severe depression will lift a full week later? In a trial of military veterans with treatment-resistant depression, researchers discovered that ketamine temporarily forces isolated brain circuits into a unified, shared signal—a high-order interaction known as network redundancy.
This episode explores how 24-hour neural reorganization serves as an objective biomarker for recovery, why acute dissociative experiences link directly to long-term brain plasticity, and how simple EEG headbands could usher in a new era of personalized psychiatric care. Listen now to discover how cutting-edge neuroscience is grounding depression recovery in measurable physical reality.
Resources:
Shah, K., Herzog, R., Swann, A. C., O’Brien, B., Balakrishnan, R., Mathew, S. J., & Murphy, N. (2026). High-order brain interactions during ketamine-induced state changes: A functional marker of response in late-life treatment-resistant depression? Translational Psychiatry, 16, Article 374. https://doi.org/10.1038/s41398-026-04212-1
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