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LESSON 1 · Secrets Your Body Keeps

Pain Defies Expectations

Understanding pain as a brain construction changes everything:

  • Pain is a prediction, not a measurement — your brain decides whether nociceptive signals deserve a response.
  • Phantom limb pain shows pain can exist without any tissue damage, living entirely in the brain's body map.
  • Mirror therapy may ease phantom pain in some patients by giving the brain visual evidence that contradicts its prediction, though controlled-trial evidence is mixed.
  • Chronic pain rewires neurons to fire at lower thresholds, turning the alarm system itself into the disease.