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Finnish team links Maldives cave deaths to sandbank illusion - MSN

msn.com

A deadly Maldives cave dive reveals how a simple sandbank illusion exploited the brain's pattern-recognition shortcuts — and cost lives.

Cognitive HeuristicsSignal Detection TheoryPerceptual IllusionNaturalistic Decision-Making

Theory Briefing

  • A sandbank inside the cave mimicked the exit, tricking divers into a fatal dead-end tunnel.
  • The brain's tendency to match perceived patterns to expected outcomes — heuristic processing — likely overrode cautious reasoning.
  • Finnish investigators' findings show how environmental illusions can systematically defeat even trained decision-makers under pressure.