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Foundation One

Primitive Reflexes

The earliest movement patterns that organize the nervous system for survival and learning.

Primitive reflexes diagram

Primitive reflexes are the earliest movement patterns of human development. They emerge in utero, are present at birth, and integrate — or are supposed to integrate — in the first year of life. Each reflex has a job, and once it has done it, the nervous system moves on to higher-order skills.

When a reflex stays active past its developmental window, it keeps the brain in a reactive state. The system that should be available for learning is still busy doing the work of survival.