PsychRounds: The Psychiatry Podcast The Biological and Evolutionary Underpinnings of Depression with Dr. Charles Raison
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Aug 13, 2025 Dr. Charles Raison, a renowned psychiatrist and professor, dives deep into the biological and evolutionary aspects of depression. He discusses the role of inflammation and the HPA axis in mood disorders. Raison highlights innovative treatments, including psychedelics, and the potential of precision medicine tailored to inflammation responses. The conversation also honors the late Dr. Vladimir Maletic, reflecting on his significant contributions to psychiatry. Listeners gain insights into major depressive disorder's complexities and emerging therapies like pramipexole.
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Remembering Vladimir Maletic
- Charles Raison shared fond memories of his co-author Vlad Maletic and his impact on psychiatric education.
- He recalled Maletic's clarity, kindness, and the difficulty of presenting a memorial talk without becoming emotional.
An Evolutionary Lens On Depression
- Evolutionary perspectives suggest depression is a species-typical response to adversity preserved because it offered adaptive benefits.
- The syndrome appears across cultures and even in distant vertebrates, implying deep evolutionary roots.
Neuroimaging Shows No Single Signature
- Neuroimaging findings in depression are inconsistent and often fail to identify a single definitive brain signature.
- The brain's complexity and replication problems limit confidence in any single neural marker for depression.
