Relationships: The Intersection Between Polyvagal Theory, Attachment Theory, and Parts Work

In this episode of You Make Sense, Sarah explores the science behind relationships using Polyvagal Theory, Attachment Theory, and Parts Work. She explains how these frameworks complement each other and shape our ability to connect, feel safe inside our relational containers, and navigate emotional intimacy.

Sarah highlights the importance of understanding how our nervous system and parts inform the people we choose in our lives, emphasizing that much of what we experience in adult connections is rooted in early life experiences. By combining these three approaches, it’s possible to heal the past in the present, navigate challenges with more ease, and attract the kinds of partners we truly desire.

Episode Highlight:

00:00 Introduction

00:15 Understanding Our Relationships

02:00 The Nervous System & Attachment Theory

09:02 How Attachments Form

16:04 How We Connect In Our Adult Lives

21:24 How to Regulate Based On Your Attachment Style

22:12 The Nervous System & Parts Work

32:58 How “Self-Like Parts” Show Up

39:07 Why Moving On Can Be So Challenging

49:29 Avoidant Attachment & Healing Shame

53:03 Panic In Relationships

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Important Keywords:

Polyvagal Theory – A framework explaining how the autonomic nervous system governs safety, connection, and self-protective responses in our relationships and lives.

Attachment Theory – A psychological model describing how early childhood experiences shape relational patterns, emotional bonds, and the way we connect with others.

Parts Work – A therapeutic approach (e.g., Internal Family Systems) that explores different parts or aspects of the self and their roles in emotional healing.

Nervous System Regulation – Techniques and practices that help manage stress responses, promoting emotional balance and internal safety.

Avoidant Attachment – A self-protective relational pattern where connection can often feel overwhelming and individuals subconsciously withdraw from intimacy due to past emotional wounds.

Anxious Attachment – A self-protective relational pattern where we feel less safe on our own and often sacrifice our own needs in order to maintain connection with another.

Disorganized Attachment – A self-protective relational pattern where we tend to feel comfortable in chaos and want others close, but when they come close, we push them away.

Shame & Internalization – The process of internalizing negative beliefs about oneself, often rooted in childhood experiences of criticism or neglect.