q17-brain-lesion-empirical-claims

{
 "packet_id": "ip:q17-brain-lesion-empirical-claims",
 "schema_version": 2,
 "artifact_type": "argument_fabric_claim_packet",
 "source": {
  "source_id": "web_scholarly:q17-brain-lesion",
  "title": "Direct lesion evidence for Q17: If consciousness is fundamental, what is the brain doing?",
  "author": "Codex/Hermes autonomous loop",
  "external_sources": [
   {
    "source_id": "pubmed:9195657",
    "title": "Consciousness of perception after brain damage",
    "author": "M. J. Farah and T. E. Feinberg",
    "url": "https://pubmed.ncbi.nlm.nih.gov/9195657/",
    "doi": "10.1055/s-2008-1040924",
    "source_quality": "peer_reviewed_clinical_review"
   },
   {
    "source_id": "pubmed:25263935",
    "title": "Why is blindsight blind? A new perspective on primary visual cortex, recurrent activity and visual awareness",
    "author": "Juha Silvanto",
    "url": "https://pubmed.ncbi.nlm.nih.gov/25263935/",
    "doi": "10.1016/j.concog.2014.08.001",
    "source_quality": "peer_reviewed_review"
   },
   {
    "source_id": "pmc:3476047",
    "title": "Primary visual cortex, awareness and blindsight",
    "author": "Cowey and Stoerig review context",
    "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC3476047/",
    "source_quality": "peer_reviewed_open_access_review"
   },
   {
    "source_id": "pubmed:12805123",
    "title": "Neuroanatomical correlates of brainstem coma",
    "author": "Parvizi and Damasio",
    "url": "https://pubmed.ncbi.nlm.nih.gov/12805123/",
    "source_quality": "peer_reviewed_empirical_lesion_study"
   },
   {
    "source_id": "pubmed:33318675",
    "title": "Recovery from disorders of consciousness: mechanisms, prognosis and emerging therapies",
    "author": "Brian L. Edlow et al.",
    "url": "https://pubmed.ncbi.nlm.nih.gov/33318675/",
    "doi": "10.1038/s41582-020-00428-x",
    "source_quality": "peer_reviewed_clinical_review"
   }
  ],
  "tradition_scope": "clinical_neuroscience"
 },
 "target_question_id": "q:brain-if-consciousness-fundamental",
 "extracted_by": "codex_hermes_loop",
 "extracted_at": "2026-07-26",
 "status": "web_scholarly_reviewed",
 "claims": [
  {
   "claim_id": "cl:farah-feinberg-brain-damage-dissociations",
   "source_type": "peer_reviewed_clinical_review",
   "source_id": "pubmed:9195657",
   "source_span": {
    "url": "https://pubmed.ncbi.nlm.nih.gov/9195657/",
    "locator": "abstract",
    "quote": "perception and consciousness are dissociated as a result of brain damage"
   },
   "claim_text": "Brain damage can dissociate perceptual processing from conscious perception across several visual syndromes, so a brain-role theory must explain content-specific losses without immediately equating all processing with awareness.",
   "targets": [
    {
     "target_id": "cand:brain-as-interface-generative-model",
     "target_type": "candidate_explanation"
    },
    {
     "target_id": "crux:brain-damage-transformation",
     "target_type": "crux"
    }
   ],
   "tradition_scope": "clinical_neuroscience",
   "paradigm": "neuropsychology",
   "evidence_dimension": "empirical",
   "pramana": "pratyaksa",
   "nn_expr": "sambandha(brain_damage,perception_consciousness_dissociation)",
   "hetu": "lesion syndromes show separable conscious and nonconscious perceptual capacities",
   "sadhya": "brain-role theories need content-specific transformation rules",
   "vyapti_statement": "Where focal damage dissociates processing from awareness, a viable theory must explain which content is lost, spared, or covertly processed.",
   "vyapti_confidence": 0.74,
   "log_bayes_factor": 0.34,
   "w_rel": 0.86,
   "w_map": 0.74,
   "w_aux": 0.78,
   "falsifier": {
    "type": "empirical",
    "condition": "A systematic lesion review finds no stable dissociation between perceptual processing and conscious perception after controlling for task/report confounds.",
    "status": "untested"
   },
   "reasoning": "This supports a mechanistic interface account at the content level, while also blocking the over