Download the first part of Coherence

Part One of COHERENCE by Dorthe Hummel: Performance Coherence Specialist, and creator of the integration framework reshaping performance approach.

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    The Fragmented Human

    How a 17th-century philosophical compromise became the hidden architecture of modern performance culture. From Descartes through the Enlightenment, the Industrial Revolution, and the age of specialisation, Part One traces the intellectual decisions that separated mind from body, psychology from biology, and the individual from their system—and why those separations are now producing the quiet collapses happening across elite sport, executive leadership, and everyday life.

    The Biological Foundation

    The complete coherence framework, grounded in four decades of integration science from Harvard, Columbia, and Stanford.

    Part Two maps the first two levels—Micro (genetics, mitochondria, biochemistry, neurochemistry) and Meso (nervous systems, hormones, immune function)—revealing the molecular and regulatory architecture that determines whether your biology can support what your ambition demands.

    Beyond Biology
    (Available when the full book publishes)

    What happens when you finally understand the biological foundation—and discover it's only half the picture. The framework you've built will explain why performance breaks down.

    What comes next reveals what coherence actually is: how identity, meaning, purpose, and environment don't just influence biology—they complete the system. And why no amount of optimization will work until these four levels stop competing and start aligning.