{
  "schema": "akashicnet.bq001.discovery_source_extraction.v1",
  "version": "0.1.0",
  "published_date": "2026-09-17",
  "question_id": "BQ001",
  "status": "discovery_and_methods_review_only",
  "discovery_source": {
    "title": "Near-Death Experiences and the Afterlife",
    "url": "https://near-death.com/",
    "classification": "secondary_discovery_catalogue",
    "admission_rule": "No claim is admitted from the catalogue itself. Each lead must resolve to an original paper or case report and pass identity, manifestation-deduplication, rights and claim-family checks."
  },
  "boundary": {
    "bq001_status": "UNRESOLVED",
    "current_maturity_level": 8,
    "accepted_edges": 0,
    "promoted_records": 0,
    "supports_models": [],
    "scientific_evidence_promotion": false,
    "truth_inference": false,
    "frozen_case_cohort_changed": false
  },
  "counts": {
    "catalogue_records": 1,
    "new_primary_screen_candidates": 7,
    "existing_underlying_works_deduplicated": 3,
    "total_ledger_rows": 11
  },
  "records": [
    {
      "id": "NDX-000",
      "title": "Near-Death.com",
      "year": 2026,
      "url": "https://near-death.com/",
      "claim_family": "discovery_map",
      "design": "secondary curated catalogue",
      "deduplication": "catalogue_only",
      "disposition": "DISCOVERY_ONLY",
      "method_note": "Useful for finding leads, but it mixes research, historical material, testimony, interpretation and speculation."
    },
    {
      "id": "NDX-001",
      "title": "Near-death experience in survivors of cardiac arrest: a prospective study in the Netherlands",
      "authors": "van Lommel, van Wees, Meyers & Elfferich",
      "year": 2001,
      "url": "https://pubmed.ncbi.nlm.nih.gov/11755611/",
      "doi": "10.1016/S0140-6736(01)07100-8",
      "claim_family": "nde_prospective_cardiac_arrest",
      "design": "prospective observational study; 344 consecutive resuscitated cardiac-arrest survivors across ten hospitals",
      "deduplication": "new_to_public_bq001_source_set",
      "disposition": "SCREEN",
      "method_note": "Strong for incidence, correlates and longitudinal aftereffects; not a prospective hidden-target verification and not a test of irreversible death."
    },
    {
      "id": "NDX-002",
      "title": "The effect of carbon dioxide on near-death experiences in out-of-hospital cardiac arrest survivors",
      "authors": "Klemenc-Ketis, Kersnik & Grmec",
      "year": 2010,
      "url": "https://doi.org/10.1186/cc8952",
      "doi": "10.1186/cc8952",
      "claim_family": "nde_physiological_correlates",
      "design": "prospective observational study of resuscitated out-of-hospital cardiac-arrest survivors",
      "deduplication": "new_to_public_bq001_source_set",
      "disposition": "SCREEN",
      "method_note": "Reports associations with carbon-dioxide and potassium measurements; small observational sample, multiple comparisons and timing of blood sampling limit causal inference."
    },
    {
      "id": "NDX-003",
      "title": "Near-Death and Out-of-Body Experiences in the Blind: A Study of Apparent Eyeless Vision",
      "authors": "Ring & Cooper",
      "year": 1997,
      "url": "https://doi.org/10.17514/JNDS-1997-16-2-p101-147",
      "doi": "10.17514/JNDS-1997-16-2-p101-147",
      "claim_family": "nde_blind_visual_reports",
      "design": "retrospective interview study of 31 blind respondents",
      "deduplication": "new_to_public_bq001_source_set",
      "disposition": "SCREEN",
      "method_note": "Important qualitative dataset, including congenitally blind participants; retrospective recruitment, self-report and limited independent event verification prevent a veridical-vision conclusion."
    },
    {
      "id": "NDX-004",
      "title": "Failure to Elicit Near-Death Experiences in Induced Cardiac Arrest",
      "authors": "Greyson, Holden & Mounsey",
      "year": 2006,
      "url": "https://doi.org/10.17514/JNDS-2006-25-2-p85-98",
      "doi": "10.17514/JNDS-2006-25-2-p85-98",
      "claim_family": "nde_induced_cardiac_arrest_null",
      "design": "prospective clinical study during medically induced cardiac arrest",
      "deduplication": "new_to_public_bq001_source_set",
      "disposition": "SCREEN",
      "method_note": "An informative null result for this procedure and sample; it constrains claims that cardiac arrest alone reliably produces an NDE."
    },
    {
      "id": "NDX-005",
      "title": "Near-Death Veridicality Research in the Hospital Setting: Problems and Promise",
      "authors": "Holden & Joesten",
      "year": 1990,
      "url": "https://digital.library.unt.edu/ark:/67531/metadc799168/m2/1/high_res_d/vol9-no1-45.pdf",
      "claim_family": "nde_hidden_target_feasibility",
      "design": "double-blind hidden-target feasibility attempt",
      "deduplication": "new_to_public_bq001_source_set",
      "disposition": "SCREEN",
      "method_note": "No eligible completed target test resulted; valuable as a methods and failure-mode record, not as positive or negative evidence about veridical perception."
    },
    {
      "id": "NDX-006",
      "title": "Spontaneous Remission of Dementia Before Death: Results From a Study on Paradoxical Lucidity",
      "authors": "Batthyany & Greyson",
      "year": 2021,
      "url": "https://doi.org/10.1037/cns0000259",
      "doi": "10.1037/cns0000259",
      "claim_family": "paradoxical_terminal_lucidity",
      "design": "retrospective informant study of lucid episodes in severe dementia",
      "deduplication": "new_to_public_bq001_source_set",
      "disposition": "SCREEN",
      "method_note": "Supports systematic description and prospective-study design; retrospective informants, uncertain diagnoses and sparse physiology do not discriminate recovery, fluctuation or continuation models."
    },
    {
      "id": "NDX-007",
      "title": "Stimulating illusory own-body perceptions",
      "authors": "Blanke, Ortigue, Landis & Seeck",
      "year": 2002,
      "url": "https://doi.org/10.1038/419269a",
      "doi": "10.1038/419269a",
      "claim_family": "neurological_obe_countermodel",
      "design": "neurological case with focal electrical stimulation",
      "deduplication": "new_to_public_bq001_source_set",
      "disposition": "SCREEN_COUNTERSOURCE",
      "method_note": "Shows that altered bodily self-location can be induced by brain stimulation; a mechanistic analogue, not a complete reproduction or refutation of all NDE reports."
    },
    {
      "id": "NDX-008",
      "title": "DMT Models the Near-Death Experience",
      "authors": "Timmermann et al.",
      "year": 2018,
      "url": "https://pubmed.ncbi.nlm.nih.gov/30174629/",
      "claim_family": "psychedelic_nde_analogue",
      "design": "small placebo-controlled healthy-volunteer study",
      "deduplication": "existing_underlying_work_cq005",
      "disposition": "DUPLICATE_LINK",
      "method_note": "Already represented in CQ-005; an alternate catalogue manifestation does not count as independent evidence."
    },
    {
      "id": "NDX-009",
      "title": "AWARE—AWAreness during REsuscitation—A prospective study",
      "authors": "Parnia et al.",
      "year": 2014,
      "url": "https://pubmed.ncbi.nlm.nih.gov/25301715/",
      "claim_family": "nde_prospective_cardiac_arrest",
      "design": "multicentre prospective cardiac-arrest study",
      "deduplication": "existing_underlying_work_bq001",
      "disposition": "DUPLICATE_LINK",
      "method_note": "Already represented in BQ001; Near-Death.com adds no independent observation."
    },
    {
      "id": "NDX-010",
      "title": "AWAreness during REsuscitation—II: A multi-center study of consciousness and awareness in cardiac arrest",
      "authors": "Parnia et al.",
      "year": 2023,
      "url": "https://pubmed.ncbi.nlm.nih.gov/37423492/",
      "claim_family": "nde_prospective_cardiac_arrest",
      "design": "multicentre prospective cardiac-arrest study with physiological monitoring and audiovisual targets",
      "deduplication": "existing_underlying_work_bq001",
      "disposition": "DUPLICATE_LINK",
      "method_note": "Already represented in BQ001; press releases, summaries and catalogue pages remain manifestations of the same underlying work."
    }
  ],
  "promotion_rule": "SCREEN means methodologically relevant and ready for claim-level review. It does not mean support for survival, reincarnation or any other BQ001 model."
}
