The Giants Shoulder

#49 Emotion Neuroscientist: Psychedelics, Neuroplasticity, AI and the Future of Mental Health!

Aug 14, 2025
Dr. Nicole Rust, an emotion neuroscientist and author of 'Elusive Cures', discusses the complexities of brain disorders and the need to rethink mental health models. She critiques traditional approaches, advocating for a view of the brain as a complex, self-looping system. The conversation delves into the promising role of psychedelics paired with therapy, advances in neurotechnology, and how feedback loops complicate treatment. Rust also emphasizes the value of negative emotions and explores the intersection of AI and neuroscience in understanding happiness.
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INSIGHT

Brain As A Feedback-Driven System

  • The brain is not a simple domino chain of causes and effects; it contains pervasive feedback loops.
  • Treating brain disorders requires controlling a complex, self-influencing system rather than fixing a single broken part.
INSIGHT

New Tools Enable Whole-System Neuroscience

  • Modern tools let neuroscientists record from millions of neurons simultaneously, enabling system-level study.
  • Studying many parts at once is essential to understand interactions that underlie complex brain states.
INSIGHT

Psychedelics Reopen Learning Windows

  • Psychedelics appear to reopen childhood-like plasticity in adult brains, enabling relearning.
  • That plasticity only helps if paired with positive therapeutic experiences to reprogram maladaptive states.
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