{
  "id": "surprise.reaction",
  "term": "surprise",
  "sense": "reaction",
  "pos": "noun",
  "status": "review",
  "level": 15,
  "arena": "cognitive",
  "domain": "emergence",
  "style": "window",
  "definition": "feedback landing outside a model's predicted range. Measures the model, not the event.",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "feedback.communication",
      "model.representation",
      "window.range",
      "parameter.condition",
      "boundary.limit",
      "event.occurrence",
      "land.geography",
      "measure.quantitative",
      "measurement.quantitative",
      "outside.spatial",
      "range.spatial"
    ],
    "interaction": "Information returns from a change, crosses the boundary of a model's expected range, and is measured as deviation, revealing the model's limits rather than the event's nature.",
    "novel_properties": [
      "model measurement via deviation",
      "unexpected feedback detection",
      "range boundary transgression"
    ]
  },
  "examples": [
    {
      "text": "The 2008 financial crisis crashed models that priced U.S. housing defaults as near-impossible.",
      "domain": "economics"
    },
    {
      "text": "Voyager 1 detected plasma waves beyond 120 AU, where models predicted solar wind dominance.",
      "domain": "spacephysics"
    },
    {
      "text": "AlphaGo’s move 37 against Lee Sedol had a 1 in 10,000 prior probability in expert forecasting models.",
      "domain": "computing"
    }
  ],
  "relations": [
    {
      "id": "drift.aimless",
      "type": "contrasts-with",
      "note": "surprise arises when drift exceeds model window"
    },
    {
      "id": "maintenance.upkeep",
      "type": "contrasts-with",
      "note": "maintenance prevents surprise by containing drift"
    },
    {
      "id": "expectation.predicted",
      "type": "is-a",
      "note": "surprise is unmet expectation"
    }
  ],
  "used_by": [],
  "forms": [
    "surprise",
    "surprised",
    "surprises",
    "surprising"
  ],
  "closed": false,
  "provenance": {
    "author": "retrofit:qwen/qwen3-235b-a22b-2507",
    "date": "2026-07-29",
    "confidence": 0.8,
    "sources": [
      "Sample/we-already-had-the-words.md"
    ],
    "reconciled": {
      "by": "openrouter:qwen/qwen3-235b-a22b-2507",
      "date": "2026-07-31",
      "changed": "components",
      "note": "Strictly reconciled: components now reflect only what the canonical definition inherently relies on, adding omitted constitutive concepts and preserving only those actually invoked."
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-surprise.reaction"
}