The After On Podcast

53: The Case Against Reality | Don Hoffman (classic + updated)

Jul 30, 2019
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ANECDOTE

Synesthesia Shaped A Chef's Perception

  • Michael Watson, a synesthete, felt tastes as detailed 3D objects and used them in cooking.
  • His perceptual icons did not resemble the tastes, yet gave practical advantages.
INSIGHT

Simulations: Truth Loses To Fitness

  • Simulations showed agents tuned to fitness outcompete truth-seeing agents.
  • True accurate perception never evolved in those models because it reduced fitness.
INSIGHT

Quantum Experiments And Observation

  • The double-slit experiment supports the idea that observation helps construct physical properties.
  • Quantum phenomena suggest properties don't take definite values until observed.
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