Chapter 3 | "Personality and Wholeness in Therapy" | How the Brain Creates Nine Enneagram Types

Reading Room | An Enneagram Podcast · Sep 9, 2026 · 53m

In this episode of Around the Circle, Jeff continues the Reading Room through Personality and Wholeness in Therapy, turning to one of the biggest questions in Enneagram theory: Where does your type actually come from? Daniel Siegel and the PDP group propose a biological and developmental framework in which personality emerges from fundamental motivational systems connected to agency, bonding, and certainty—and the emotions of anger, separation distress, and fear.This time, Jeff follows the science behind the nine types. The chapter connects the traditional Body, Heart, and Head Centers to…