{
  "id": "loewi-dream-1921",
  "title": "Otto Loewi: a remembered dream and a reproducible experiment",
  "country": "Austria",
  "category": "reve",
  "date": "1921-01-01",
  "date_label": "1921 experimental year; recollections disagree on the dream year; 1 January is an anchor",
  "location": "Graz — historical university reference",
  "lat": 47.078,
  "lng": 15.449,
  "is_resolved": 1,
  "summary": "Loewi later described a dream that suggested an experiment. The experiment’s result and the autobiographical account have different kinds of evidence.",
  "sources": [
    {
      "id": "L1",
      "title": "Nobel Foundation — Otto Loewi facts",
      "url": "https://www.nobelprize.org/prizes/medicine/1936/loewi/facts/",
      "language": "en",
      "note": "Experimental year, institution and award context.",
      "kind": "Source record · see provenance note"
    },
    {
      "id": "L2",
      "title": "Historical review — dreamer and Nobel laureate",
      "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC4291908/",
      "language": "en",
      "note": "Secondary historical review quoting Loewi’s recollection; the quoted year is retained as a discrepancy.",
      "kind": "Source record · see provenance note"
    }
  ],
  "author": "Eklipsis",
  "content_languages": [
    "en"
  ],
  "path": "/investigations/loewi-dream-1921",
  "source_url": "https://www.nobelprize.org/prizes/medicine/1936/loewi/facts/",
  "location_source_url": "https://www.openstreetmap.org/?mlat=47.078&mlon=15.449#map=8/47.078/15.449",
  "location_precision": "region",
  "location_note": "Approximate orientation marker for the named place or institution; not a surveyed observation point, protected excavation coordinate or recommended access route.",
  "reviewed_on": "2026-09-30",
  "edition": 1,
  "truth_type": "unknown",
  "verdict": "The experimental discovery has a scientific record. The dream narrative is a reported source of inspiration and does not demonstrate prophecy or externally transmitted knowledge. Creative inspiration and experimental validation should remain distinct stages.",
  "sections": [
    {
      "title": "Documented account",
      "text": "The Nobel Foundation places Loewi’s decisive frog-heart experiment in 1921 at Graz. A historical review quotes his later account of waking with an experimental idea, losing the notes and remembering the design again. That quotation uses a different year in its wording. The dossier preserves the discrepancy instead of assigning a falsely exact night to the dream.",
      "refs": [
        "L1",
        "L2"
      ]
    },
    {
      "title": "Evidence and its limits",
      "text": "A remembered dream is an autobiographical report, not a contemporaneous sleep-laboratory recording. The laboratory experiment could be repeated and checked; the personal route by which the idea occurred cannot be verified in the same way. The marker identifies the university city rather than a bedroom.",
      "refs": []
    },
    {
      "title": "Inspector’s assessment",
      "text": "The experimental discovery has a scientific record. The dream narrative is a reported source of inspiration and does not demonstrate prophecy or externally transmitted knowledge. Creative inspiration and experimental validation should remain distinct stages.",
      "refs": []
    },
    {
      "title": "A reproducible next investigation",
      "text": "Put the later recollection beside the first experimental publication and Nobel account. Record author, date and genre for each. Use the discrepancy as a provenance question, then examine which experimental observations supported the chemical-transmission conclusion without importing the dream as evidence.",
      "refs": []
    }
  ],
  "timeline": [
    {
      "date": "Dream account, later recollection",
      "text": "Loewi describes a nocturnal idea; the account’s dating needs qualification.",
      "refs": [
        "L1"
      ]
    },
    {
      "date": "1921",
      "text": "The Nobel account dates the frog-heart experiment.",
      "refs": [
        "L1"
      ]
    },
    {
      "date": "1936",
      "text": "Loewi shares the Nobel Prize for work on chemical transmission.",
      "refs": [
        "L1"
      ]
    },
    {
      "date": "30 September 2026",
      "text": "Eklipsis prepares this source-linked documentary synthesis. This is editorial review, not historical fieldwork.",
      "refs": []
    }
  ],
  "claims": [
    {
      "text": "Loewi later described a dream that suggested an experiment. The experiment’s result and the autobiographical account have different kinds of evidence.",
      "status": "Documented subject; interpretations qualified in the dossier",
      "refs": [
        "L1"
      ]
    },
    {
      "text": "The experimental discovery has a scientific record. The dream narrative is a reported source of inspiration and does not demonstrate prophecy or externally transmitted knowledge. Creative inspiration and experimental validation should remain distinct stages.",
      "status": "Documented explanation; scope remains bounded",
      "refs": [
        "L1"
      ]
    },
    {
      "text": "The map point represents the exact location of every reported event.",
      "status": "Incorrect; orientation only",
      "refs": []
    }
  ],
  "hypotheses": [
    {
      "title": "Dream-related creative recombination",
      "status": "Plausible interpretation",
      "support": "The remembered idea concerns a previously considered scientific question.",
      "limits": "There is no contemporaneous dream recording.",
      "test": "Compare the recollection with earlier research and correspondence."
    },
    {
      "title": "A later simplified discovery narrative",
      "status": "Historical possibility",
      "support": "Retellings can compress a prolonged research process.",
      "limits": "It does not invalidate the experimental finding.",
      "test": "Trace changes between dated autobiographical versions."
    }
  ],
  "tasks": [
    {
      "title": "Audit the source record",
      "body": "Retrieve the named records for Otto Loewi: a remembered dream and a reproducible experiment. Record author, edition, page or section and access date. Treat a catalogue, mirror or translation of one document as the same evidence, not independent corroboration."
    },
    {
      "title": "Build the dated evidence ledger",
      "body": "Put the later recollection beside the first experimental publication and Nobel account. Record author, date and genre for each. Use the discrepancy as a provenance question, then examine which experimental observations supported the chemical-transmission conclusion without importing the dream as evidence."
    },
    {
      "title": "Test the interpretation",
      "body": "Compare the recollection with earlier research and correspondence. Trace changes between dated autobiographical versions. Record what would favour or weaken each explanation; leave unperformed work marked as proposed."
    }
  ]
}