Can psychedelics reset stuck brain patterns? | Rayyan Zafar | #058 Mastering Change

On this episode of Mastering Change, we explore one of the most rapidly evolving and widely discussed areas in mental health: psychedelic-assisted therapy. 

Neuropsychopharmacologist Rayyan Zafar joins us to explain how new treatments – particularly psychedelics – are changing how we understand trauma and addiction. 

Rayyan’s work focuses on neuroplasticity – and he challenges a common assumption: more plasticity isn’t always better. In addiction and trauma, the brain can become stuck in deeply reinforced patterns that are difficult to shift through conventional approaches. 

Psychedelics, he explains, appear to do something different. 

Rather than simply managing symptoms, they may temporarily disrupt rigid brain networks, opening a window for change and healing. What makes this especially significant is that this window of plasticity can endure after a single dose – something not seen in other areas of medicine. 

We explore 

• What neuroplasticity actually is – and why it can be helpful or harmful  
• How psychedelics may interrupt rigid trauma and addiction patterns  
• Why a single dose can create an enduring window for change  
• What hormesis teaches us about stress and resilience  
• Why integration remains an open scientific question  
• How precision mental health could reshape treatment 

Moment of Care: This episode discusses sensitive episodes related to trauma, mental health and distressing experiences. If you feel triggered at any point, please take a moment to check in with yourself and seek support. 

See Rayyan Zafar at Transform Trauma Oxford 2026 – Get your Early Bird Tickets here. 

Watch this episode on Youtube: https://tinyurl.com/masteringchangepodcast

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Visit mastersevents.com/oxford-2026 for more details.