
Evidence-Based: A New Harbinger Psychology Podcast Polyvagal Theory for Trauma with Arielle Schwartz, PhD
May 20, 2025
Arielle Schwartz, PhD, a leading voice in trauma recovery and author of The Polyvagal Theory Workbook for Trauma, dives into the transformative power of polyvagal theory. She highlights methods to regulate the nervous system and foster emotional resilience without reliving trauma. Discussions cover the importance of connection and support, and techniques like breathwork and cold exposure to stimulate the vagus nerve. Arielle emphasizes nurturing relationships and offers practical self-care tips, showcasing the healing potential of understanding our nervous systems.
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Cold Exposure as Unconscious Calm
- I used cold exposure unknowingly during cancer treatment to calm my nervous system.
- This body-based approach helped ease anxiety beyond just mental efforts.
Trauma Alters Sensory Processing
- Trauma affects sensory processing by causing hypervigilance or sensory shutdown.
- This explains why trauma survivors either feel overwhelmed by or disconnected from sensory cues in their environment.
PTSD vs. Complex PTSD Differences
- PTSD often features hyperarousal with re-experiencing symptoms from discrete trauma.
- Complex PTSD arises from chronic trauma, often causing dissociation and emotional dysregulation.






