{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T10:09:00Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 21.1, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a09516-676a-79d0-ae8d-8c6c5467df99\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: habenula\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 043: 1001 regist", "usd": 0.0, "recall": true }, "codex": { "seconds": 72.0, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a09516-6762-7763-83b4-e05fff066203\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: habenula\nRegistry id: vr.tr.habenula\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContex" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:51:02+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "standards_and_regulation", "visual_identification" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:29+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q267641", "registryId": "vr.tr.habenula", "name": "habenula", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q267641/", "model": { "registry_id": "vr.tr.habenula", "name": "habenula", "purpose": "Enable an agent to identify a habenula, distinguish its subdivisions and connections, assess recorded observations, and determine which further observations or authorized interventions are justified.", "definition": "The habenula is a paired epithalamic nuclear complex comprising medial and lateral divisions that links forebrain activity to midbrain and hindbrain circuits involved in motivation, aversion and neuromodulation.", "scope_statement": "This model owns vr.tr.habenula as an anatomical kind: the paired epithalamic habenular nuclear complex, with species-qualified subdivisions, tissue boundaries, connectivity, physiological observations, and local condition.", "in_scope": [ "Identification of left, right, or paired habenular complexes in a specified organism and developmental stage", "Medial and lateral subdivisions where supported by the species and anatomical reference", "Habenular tissue boundaries, morphology, and cellular organization", "Incoming and outgoing connections described from their habenular endpoints", "Localized physiological observations and structural alterations", "Evidence quality and localization limits for measurements or interventions" ], "out_of_scope": [ "The epithalamus, thalamus, or whole brain as complete anatomical systems", "The pineal gland and its endocrine functions", "The stria medullaris, fasciculus retroflexus, and habenular commissure as independently modeled fiber tracts", "Downstream nuclei and neurotransmitter systems beyond their relations to the habenula", "Psychiatric diagnoses or behavioral states inferred solely from habenular observations", "Imaging equipment, stimulation devices, and experimental protocols as independent things" ], "distinguishing_features": [ "In human anatomical identification, require localization beside the third ventricle and anterior to the pineal body, together with tissue or atlas evidence; proximity alone is insufficient. [Human ex vivo MRI study](https://pmc.ncbi.nlm.nih.gov/articles/PMC3870283/)", "Distinguish the habenular nuclear tissue from neighboring fiber bundles; continuity with a tract does not make that tract part of the nuclear boundary.", "Check for medial and lateral organization where the species and observation method support it; an unresolved subdivision must remain unresolved rather than receiving an inferred label.", "Use connection evidence as corroboration: mouse research identifies the stria medullaris as the principal afferent route and the fasciculus retroflexus as the principal efferent route. [Mouse tracing study](https://pmc.ncbi.nlm.nih.gov/articles/PMC9203815/)", "Distinguish the anatomical structure from an atlas label or imaging region of interest: a region labeled 'habenula' requires documented correspondence to actual tissue." ], "characteristics": [ { "name": "Organism and developmental context", "kind": "relation", "unit_or_values": "Organism identifier, species, age or developmental stage", "why_it_matters": "Anatomical boundaries, subdivision terminology, and comparative interpretations depend on biological context." }, { "name": "Laterality and anatomical extent", "kind": "category", "unit_or_values": "Left | right | bilateral; whole complex | medial subdivision | lateral subdivision | specified subnucleus | unresolved", "why_it_matters": "Prevents observations of one side or subdivision from being attributed to the entire paired structure." }, { "name": "Reference-space location", "kind": "measurement", "unit_or_values": "Coordinates in mm or µm, with atlas version, origin, axes, and transformation", "why_it_matters": "Makes localization interpretable and allows assessment of alignment error." }, { "name": "Habenular tissue volume", "kind": "measurement", "unit_or_values": "mm³, with side, segmentation method, specimen condition, and uncertainty", "why_it_matters": "Supports morphological comparisons while exposing boundary and preparation effects." }, { "name": "Subdivision resolution", "kind": "state", "unit_or_values": "Resolved | partially resolved | unresolved | not assessed", "why_it_matters": "Constrains the anatomical specificity of any downstream claim." }, { "name": "Cellular or molecular profile", "kind": "category", "unit_or_values": "Assay-defined cell classes or marker profiles, with sampled subdivision and species", "why_it_matters": "Supports tissue characterization without assuming a marker uniquely identifies the whole habenula." }, { "name": "Connection evidence", "kind": "relation", "unit_or_values": "Source region, target region, direction, tract, method, species, and confidence", "why_it_matters": "Separates observed anatomical projections from inferred or functional associations." }, { "name": "Localized activity", "kind": "measurement", "unit_or_values": "Spikes/s, mV, ΔF/F, or BOLD percent signal change, with modality and observation window", "why_it_matters": "Preserves the distinction between direct neural recordings and indirect signals." }, { "name": "Local tissue condition", "kind": "state", "unit_or_values": "No alteration detected | specified alteration detected | indeterminate | not assessed", "why_it_matters": "Records examination results without treating missing evidence as normal tissue." }, { "name": "Target overlap", "kind": "measurement", "unit_or_values": "Percentage or volume of a sampling, lesion, or stimulation region overlapping the identified habenula", "why_it_matters": "Helps judge whether an observed effect can be localized to habenular tissue." } ], "affordances": [ "Locate and annotate habenular tissue in an image, atlas, or specimen with explicit boundary confidence.", "Assign observations to a side and subdivision at the resolution the evidence supports.", "Compare morphology across observations with compatible species, preparation, and segmentation methods.", "Trace documented inputs and outputs while separating anatomical, functional, and inferred connectivity.", "Assess whether a recording or perturbation actually sampled habenular tissue and nearby structures.", "Identify missing localization or authorization evidence before proposing further sampling or intervention." ], "agent_conduct": { "may": [ "Describe the habenula and current research on its role in aversion and motivation, with sources.", "Support authorized researchers in labelling it on brain imaging." ], "must_not": [ "Present early research on the habenula as an established treatment for depression or addiction.", "Interpret a person's brain scan as evidence of a mental disorder without clinical review.", "Share identifiable brain imaging without consent." ], "requires_human": [ "Any decision about brain stimulation or surgery targeting it." ] }, "ethics": { "considerations": [ "Experimental brain treatments raise hope in desperate patients and must be described honestly.", "Brain data is highly sensitive and can stigmatize." ], "affected_parties": [ "Patients with depression or addiction", "Research participants", "Families" ] }, "owners": { "steward": "Nobody: part of a person's brain; clinicians and researchers answer for its study and care.", "master_systems": [] }, "visual_identification": [ "A small paired structure next to the pineal gland at the back of the third ventricle." ], "failure_modes_and_hazards": [ "Experimental interventions near deep brain structures carry surgical risks.", "Small size makes imaging findings easy to misread." ], "standards_and_regulation": [ "Terminologia Anatomica, Federative International Programme for Anatomical Terminology." ], "what_it_is_for": [ "The habenula is examined in neuroanatomy, brain imaging and neuroscience research on motivation, aversion and behavioral adaptation.", "Its medial and lateral divisions are studied separately because they have different connections and functional roles.", "Anatomical localization supports interpretation of tissue sections, neural recordings and circuit studies." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q267641: habenula", "url": "https://www.wikidata.org/wiki/Q267641", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Habenula", "url": "https://en.wikipedia.org/wiki/Habenula", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "habenular-identity-and-boundaries", "name": "Habenular identity and boundaries", "description": "Establish which anatomical tissue the entry denotes in a particular organism.", "rationale": "A habenular label can refer to a paired complex, one side, a subdivision, or an imperfect imaging region.", "layers": [ { "id": "organism-and-anatomical-unit", "name": "Organism and anatomical unit", "description": "Resolve biological context and the extent of the named structure.", "findings": [ { "id": "qualified-habenular-identity", "name": "Qualified habenular identity", "description": "Require species, developmental stage, laterality, and anatomical extent before combining observations.", "questions": [ { "text": "Which species and developmental stage does this habenula belong to?", "kind": "definition", "id": "qualified-habenular-identity-q01" }, { "text": "Does the observation concern one habenula, both sides, or a named subdivision?", "kind": "boundary", "id": "qualified-habenular-identity-q02" } ] } ] }, { "id": "nuclear-tissue-boundary", "name": "Nuclear tissue boundary", "description": "Separate the habenular nuclei from neighboring tissue and connecting tracts.", "findings": [ { "id": "boundary-evidence", "name": "Boundary evidence", "description": "Document the anatomical reference and visible features used to include nuclear tissue and exclude adjacent structures.", "questions": [ { "text": "Which atlas, histological features, or imaging landmarks support the habenular boundary?", "kind": "provenance", "id": "boundary-evidence-q01" }, { "text": "How were pineal tissue, neighboring thalamic tissue, cerebrospinal fluid, and fiber tracts excluded?", "kind": "boundary", "id": "boundary-evidence-q02" } ] } ] } ] }, { "id": "habenular-internal-organization", "name": "Habenular internal organization", "description": "Represent subdivisions and cellular observations without assuming uniform tissue.", "rationale": "Whole-complex measurements can conceal differences between habenular territories.", "layers": [ { "id": "subdivision-assignment", "name": "Subdivision assignment", "description": "Qualify medial, lateral, and finer labels against a species-specific anatomical reference.", "findings": [ { "id": "resolved-habenular-territory", "name": "Resolved habenular territory", "description": "Record subdivision assignments only where the measurement or reference supports them.", "questions": [ { "text": "Can medial and lateral habenular tissue actually be distinguished in this observation?", "kind": "measurement", "id": "resolved-habenular-territory-q01" }, { "text": "Which species-specific reference defines any finer subnuclear labels being used?", "kind": "provenance", "id": "resolved-habenular-territory-q02" } ] } ] }, { "id": "cellular-composition", "name": "Cellular composition", "description": "Attach cellular and molecular evidence to a localized tissue sample.", "findings": [ { "id": "localized-cell-profile", "name": "Localized cell profile", "description": "Represent marker expression and cell-class observations as assay-qualified evidence rather than universal identifiers.", "questions": [ { "text": "Which habenular territory and tissue fraction were sampled for the reported cellular profile?", "kind": "boundary", "id": "localized-cell-profile-q01" }, { "text": "Which assay and classification reference support the reported markers or cell classes?", "kind": "provenance", "id": "localized-cell-profile-q02" } ] } ] } ] }, { "id": "habenular-circuit-interfaces", "name": "Habenular circuit interfaces", "description": "Describe connections entering and leaving identified habenular territories.", "rationale": "A projection involving one subdivision cannot automatically characterize all habenular circuitry.", "layers": [ { "id": "afferent-interface", "name": "Afferent interface", "description": "Record incoming pathways and their demonstrated termination sites.", "findings": [ { "id": "localized-afferent-evidence", "name": "Localized afferent evidence", "description": "Require evidence for both the origin and habenular termination of an asserted input.", "questions": [ { "text": "Which source region projects to which side and subdivision of the habenula?", "kind": "boundary", "id": "localized-afferent-evidence-q01" }, { "text": "Does the method demonstrate terminating afferents, or only nearby fibers or correlated activity?", "kind": "provenance", "id": "localized-afferent-evidence-q02" } ] } ] }, { "id": "efferent-interface", "name": "Efferent interface", "description": "Record outgoing projections without collapsing direct and indirect circuit relationships.", "findings": [ { "id": "subdivision-specific-output", "name": "Subdivision-specific output", "description": "Rat tracing research demonstrates distinct medial and lateral habenular efferent organization; preserve species and subdivision when recording outputs. [Rat efferent tracing study](https://pubmed.ncbi.nlm.nih.gov/226566/)", "questions": [ { "text": "Which habenular subdivision supplies the observed projection, and where does it terminate?", "kind": "boundary", "id": "subdivision-specific-output-q01" }, { "text": "What evidence distinguishes a direct projection from an indirect downstream influence?", "kind": "provenance", "id": "subdivision-specific-output-q02" } ] } ] } ] }, { "id": "habenular-observation-and-state", "name": "Habenular observation and state", "description": "Make structural and physiological observations interpretable at the scale of the habenula.", "rationale": "Boundary uncertainty and signal contamination can undermine apparently precise habenular measurements.", "layers": [ { "id": "morphology-and-resolution", "name": "Morphology and resolution", "description": "Record tissue dimensions alongside the limits of their measurement.", "findings": [ { "id": "interpretable-habenular-morphometry", "name": "Interpretable habenular morphometry", "description": "Couple volume and shape observations to side, preparation, segmentation, and spatial resolution.", "questions": [ { "text": "What habenular volume or shape was measured, and with what uncertainty?", "kind": "measurement", "id": "interpretable-habenular-morphometry-q01" }, { "text": "How do voxel size, section thickness, tissue preparation, and boundary choices affect the result?", "kind": "measurement", "id": "interpretable-habenular-morphometry-q02" } ] } ] }, { "id": "physiological-context", "name": "Physiological context", "description": "Interpret a localized signal in its recording and behavioral context.", "findings": [ { "id": "qualified-habenular-activity", "name": "Qualified habenular activity", "description": "Keep the measured signal separate from hypotheses about reward, aversion, arousal, or other functions.", "questions": [ { "text": "Which signal was recorded from which habenular territory, over what interval and relative to what baseline?", "kind": "measurement", "id": "qualified-habenular-activity-q01" }, { "text": "What evidence supports assigning the signal to habenular tissue rather than neighboring tissue or measurement artifact?", "kind": "provenance", "id": "qualified-habenular-activity-q02" }, { "text": "Which task events, organism states, and competing explanations constrain its interpretation?", "kind": "boundary", "id": "qualified-habenular-activity-q03" } ] } ] } ] }, { "id": "habenular-alteration-and-targeting", "name": "Habenular alteration and targeting", "description": "Represent local tissue changes and the anatomical specificity of sampling or perturbation.", "rationale": "An intervention near the habenula may affect nuclear tissue, connecting fibers, and neighboring structures differently.", "layers": [ { "id": "local-alteration", "name": "Local alteration", "description": "Localize structural changes and qualify comparisons.", "findings": [ { "id": "localized-tissue-change", "name": "Localized tissue change", "description": "Record observed abnormalities or longitudinal changes without converting them directly into a diagnosis.", "questions": [ { "text": "What change is observed, and which side, subdivision, or neighboring tract is involved?", "kind": "boundary", "id": "localized-tissue-change-q01" }, { "text": "Which baseline or comparison establishes the change, and are the measurement methods compatible?", "kind": "measurement", "id": "localized-tissue-change-q02" } ] } ] }, { "id": "sampling-and-perturbation-specificity", "name": "Sampling and perturbation specificity", "description": "Evaluate whether an action can be attributed to the intended habenular target.", "findings": [ { "id": "verified-habenular-target", "name": "Verified habenular target", "description": "Link proposed or completed sampling and perturbation to localization evidence, affected tissue extent, and applicable authorization.", "questions": [ { "text": "How much of the sampled or affected region overlaps the intended habenular subdivision and adjacent tissue?", "kind": "measurement", "id": "verified-habenular-target-q01" }, { "text": "What localization verification and applicable authorization are required before the proposed action?", "kind": "action", "id": "verified-habenular-target-q02" }, { "text": "Could the observed effect arise from connecting fibers or neighboring structures rather than the targeted habenular neurons?", "kind": "boundary", "id": "verified-habenular-target-q03" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Medial and lateral habenula are constituent subdivisions, not alternative kinds of whole habenula.", "Human dimensions and volumes depend on anatomical boundaries and imaging methods; no typical numerical range is asserted here.", "Functional and disease-related claims require attention to species, subdivision and experimental method; therapeutic stimulation remains an investigational application." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of habenula this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Medial habenula (an anatomical subdivision)", "Lateral habenula (an anatomical subdivision)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of habenula this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Terminologia Anatomica, maintained by the Federative International Programme for Anatomical Terminology (FIPAT), provides standardized anatomical nomenclature." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of habenula this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Research on reward omission, aversive outcomes and motivational learning.", "Investigation of circuits regulating dopaminergic and serotonergic activity.", "Research on nicotine dependence and withdrawal, particularly involving the medial habenula-interpeduncular pathway.", "Experimental investigation of habenular stimulation for treatment-resistant depression." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of habenula this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Altered lateral habenula activity is implicated in depressive symptoms; evidence from animal experiments does not establish a single causal mechanism for human depression.", "Disruption of medial habenula-interpeduncular circuitry can alter nicotine-related aversion and withdrawal responses in experimental animals." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of habenula this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "name": "Epithalamus", "difference": "The epithalamus is the larger anatomical region that contains the habenular complex and other structures." }, { "name": "Pineal gland", "difference": "The pineal gland is an adjacent endocrine organ of the epithalamus; the habenula consists of neuronal nuclei." }, { "name": "Stria medullaris thalami", "difference": "This is a white-matter tract carrying major forebrain inputs toward the habenula, rather than the habenular nuclei themselves." }, { "name": "Fasciculus retroflexus", "difference": "This is a major habenular output tract, rather than a nuclear subdivision." }, { "name": "Interpeduncular nucleus", "difference": "This is a distinct midbrain nucleus receiving prominent input from the medial habenula." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of habenula this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend a vertebrate-wide anatomical kind or a specifically human habenula, given the missing definition?", "Which cross-species subdivision correspondences are sufficiently established to support shared labels, particularly outside mammals?", "Which boundary conventions should govern inclusion of perihabenular tissue and attached commissural or tract tissue in reported measurements?", "What measurement-specific evidence is sufficient to resolve medial and lateral subdivisions in living subjects?", "Which functional or condition-associated findings replicate with adequate subdivision localization, and which remain correlational or species-specific?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 16, "questions": 28 } }