Uncertainty and Mental Health with Sarah Bergenfeld and Martha Sweezy

About this episode

The episode features a discussion on the role of uncertainty in mental health with experts Sarah Bergenfeld and Martha Sweezy.

We are excited to celebrate the launch of IFS Collected Wisdom: Conversations with Experienced Voices in Internal Family Systems a book that brings together voices, reflections, and lived experience from across the IFS community. This book was created from a desire to honor those voices, and to acknowledge that wisdom in IFS doesn’t live in one place or one person. It lives in relationship, in experience, and in the field as it evolves. Thank you for being a listener, for being part of this community,  and for continuing to explore what becomes possible when Self leads. We hope that IFS Collected Wisdom can become a companion in your IFS journey.   Here is a link to the IFS Collected Wisdom book contents .   The Role of Uncertainty in Mental Health with Sarah Bergenfeld and Martha Sweezy In this episode, we welcome two leading voices in Internal Family Systems therapy for a conversation that bridges neuroscience, sensory experience, and healing. Sarah Bergenfield is a certified Level 3 IFS practitioner, writer, and educator specializing in autistic individuals and couples. Autistic herself, Sarah weaves together IFS, polyvagal theory, predictive processing…

People in this episode

Hosts: Aníbal Henriques, Tisha Shull, Alexia Rothman

Guests: Sarah Bergenfeld, Martha Sweezy

Topics covered

• mental health
• Internal Family Systems
• neuroscience
• autism
• healing
• sensory experience

Keywords

• uncertainty
• mental health
• IFS therapy
• neurodiversity
• polyvagal theory
• predictive processing
• sensory science

Mentioned in this episode

Organizations: Harvard Medical School

Books & works: IFS Collected Wisdom

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• Honoring and welcoming Self-Like Parts, with Paul Neustadt · November 1, 2025 · 57 min
• Brain, Mind, and Parts through a Neuroscience Lens · July 27, 2025 · 25 min
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