Tina Thomas and Eric Schulze

Summary
Two years ago, at the San Francisco IEA conference, Eric Schulze MD PhD and Tina Thomas PhD DCSW BSN attempted to measure biological markers that might be related to dimensions of personality. What follows is an account of our adventure to validate the biological basis of the Enneagram.
Introduction
Personality is generally accepted to mean how a person thinks, feels, and behaves consistently over time. In psychology, categorical personality theories suggest...

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