{ "model": { "rank": 13875, "code": "thing-q498916", "model_id": "vr.tr.apraxia", "name": "apraxia", "purpose": "Let an agent explain apraxia at a general, factual level from medical reference sources, relay its causes and forms, describe the forms its aliases name, distinguish it from weakness and from agnosia, and route personal concerns to a clinician.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.STA", "industry": "", "version": "", "url": "/models/thing/q498916/", "tier": 2, "score": 36, "payload": { "layer": "wikidata", "aliases": [ "limb apraxia", "Apraxia of speech", "ideomotor apraxia", "gait apraxia", "orofacial apraxia", "Constructional apraxia", "Ideational apraxia" ], "aliasCount": 7, "merged": 7, "knownIn": 36, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.apraxia", "source": { "dataset": "wikidata", "item": "Q498916", "url": "https://www.wikidata.org/wiki/Q498916", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-14T03:25:52Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 4, "engine": "claude" }, "metaModel": { "id": "THING-Q498916", "registryId": "vr.tr.apraxia", "name": "apraxia", "version": "0.2.0-wave.4", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.STA" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q498916/", "model": { "registry_id": "vr.tr.apraxia", "name": "apraxia", "purpose": "Let an agent explain apraxia at a general, factual level from medical reference sources, relay its causes and forms, describe the forms its aliases name, distinguish it from weakness and from agnosia, and route personal concerns to a clinician.", "definition": "A neurological disorder in which a person cannot carry out learned, purposeful movements despite having the desire, the physical ability and an understanding of the task; it results from damage to parts of the brain that plan movement, not from weakness or paralysis. The registry aliases name forms such as limb apraxia, ideomotor apraxia, apraxia of speech and gait and orofacial apraxia. This is a medical topic, and any personal situation should be directed to a qualified clinician.", "what_it_is_for": "Not applicable; a neurological disorder.", "affordances": [ "explain the disorder generally", "relay causes and forms", "distinguish it from weakness", "route personal concerns to a clinician" ], "distinguishing_features": [ "Loss of learned movement", "Not due to weakness", "Several distinct forms", "Neurological origin" ], "appearance": "Not a visible object; a difficulty performing learned movements on request.", "visual_identification": [ "Inability to perform learned purposeful movements", "Limb, ideomotor, speech, gait and orofacial apraxia", "Weakness or paralysis is loss of strength; agnosia is a recognition disorder" ], "physical_properties": [ { "quantity": "cause", "typical_range": "brain damage affecting movement planning", "unit": "note", "note": "" }, { "quantity": "not caused by", "typical_range": "weakness or paralysis", "unit": "note", "note": "" }, { "quantity": "registry parent", "typical_range": "agnosia", "unit": "note", "note": "in the registry hierarchy" } ], "families_and_kinds": [ "limb apraxia", "ideomotor apraxia", "apraxia of speech", "orofacial apraxia" ], "related_models": [ { "relation": "is a kind of", "target": "neurological disorder", "why": "related" }, { "relation": "is contrasted with", "target": "paralysis", "why": "" }, { "relation": "is contrasted with", "target": "agnosia", "why": "" }, { "relation": "is associated with", "target": "brain injury", "why": "" } ], "identifiers": [], "standards_and_regulation": [ "Clinical diagnostic criteria" ], "failure_modes_and_hazards": [ "Offering personal diagnosis", "Confusing with weakness or paralysis", "Conflating the forms" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What apraxia is.", "rationale": "Attribution.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is apraxia, and how does it differ from weakness, paralysis and agnosia?", "kind": "definition" }, { "text": "Is this a personal medical situation that needs a clinician?", "kind": "boundary" } ] } ] }, { "id": "forms", "name": "Forms", "description": "Named forms.", "findings": [ { "id": "forms-finding", "name": "Forms", "description": "Forms.", "questions": [ { "text": "What are limb, ideomotor, speech and orofacial apraxia?", "kind": "definition" }, { "text": "Which entry fits the specific form?", "kind": "action" } ] } ] } ] }, { "id": "causes", "name": "Causes", "description": "Causes.", "rationale": "Sources.", "layers": [ { "id": "brain", "name": "Brain", "description": "Brain basis.", "findings": [ { "id": "brain-finding", "name": "Brain", "description": "Brain.", "questions": [ { "text": "Which brain areas and injuries cause apraxia?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "conditions", "name": "Conditions", "description": "Associated conditions.", "findings": [ { "id": "conditions-finding", "name": "Conditions", "description": "Conditions.", "questions": [ { "text": "Which conditions such as stroke are associated with apraxia?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] } ] }, { "id": "assessment", "name": "Assessment", "description": "Assessment.", "rationale": "Sources.", "layers": [ { "id": "signs", "name": "Signs", "description": "Signs.", "findings": [ { "id": "signs-finding", "name": "Signs", "description": "Signs.", "questions": [ { "text": "How is apraxia recognised in general terms?", "kind": "provenance" }, { "text": "Is diagnosis left to a clinician?", "kind": "boundary" } ] } ] }, { "id": "therapy", "name": "Therapy", "description": "Therapy.", "findings": [ { "id": "therapy-finding", "name": "Therapy", "description": "Therapy.", "questions": [ { "text": "How is apraxia managed and rehabilitated in general terms?", "kind": "provenance" }, { "text": "Is personal advice left to a clinician?", "kind": "boundary" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Care.", "rationale": "Attribution.", "layers": [ { "id": "care", "name": "Care", "description": "Care routing.", "findings": [ { "id": "care-finding", "name": "Care", "description": "Care.", "questions": [ { "text": "Where should apraxia concerns be directed?", "kind": "action" }, { "text": "Is the information general rather than diagnostic?", "kind": "boundary" } ] } ] }, { "id": "living", "name": "Living", "description": "Daily life.", "findings": [ { "id": "living-finding", "name": "Living", "description": "Living.", "questions": [ { "text": "How does apraxia affect daily activities, as sources describe?", "kind": "provenance" }, { "text": "Is the information respectful?", "kind": "boundary" } ] } ] } ] } ] }, "openQuestions": [ "Should the forms be separate entries?", "How should apraxia relate to agnosia?", "How should personal concerns be routed?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "abstract concept", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a apraxia, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain apraxia at a general, factual level from medical reference sources, relay its causes and forms, describe the forms its aliases name, distinguish it from weakness and from agnosia, and route personal concerns to a clinician.", "characteristics": { "substance": "abstract", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: limb apraxia, Apraxia of speech, ideomotor apraxia, gait apraxia, orofacial apraxia, Constructional apraxia, Ideational apraxia.", "7 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 36 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a apraxia, and on what evidence are they told apart?" ], "whatItIsMadeOf": "an abstraction with no physical instance", "physicalCharacter": [ "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "limb apraxia", "Apraxia of speech", "ideomotor apraxia", "gait apraxia", "orofacial apraxia", "Constructional apraxia", "Ideational apraxia" ] } ], "standing": "Described in 36 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 7 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one apraxia from another, and a apraxia from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a apraxia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a apraxia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a apraxia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a apraxia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a apraxia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a apraxia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a apraxia sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a apraxia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a apraxia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a apraxia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a apraxia from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a apraxia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a apraxia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a apraxia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a apraxia passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a apraxia between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a apraxia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a apraxia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a apraxia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a apraxia, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a apraxia is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a apraxia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a apraxia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a apraxia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definitions-in-contest", "name": "Definitions and who holds them", "description": "What apraxia is taken to mean, and by whom.", "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.", "layers": [ { "id": "competing-definitions", "name": "Competing definitions", "description": "The main readings and the traditions behind them.", "findings": [ { "id": "definition-map", "name": "Definitions and their holders", "description": "Each definition with the school or body that holds it.", "questions": [ { "id": "definition-map-q01", "text": "Which definitions of apraxia are in use, and which tradition or body holds each?", "kind": "definition" }, { "id": "definition-map-q02", "text": "What turns on the difference between them in practice?", "kind": "boundary" } ] } ] }, { "id": "operationalisation", "name": "Operationalisation", "description": "How it is measured or applied when it has to be.", "findings": [ { "id": "operational-record", "name": "Measures and proxies", "description": "Instruments and indicators used to stand in for it.", "questions": [ { "id": "operational-record-q01", "text": "How is apraxia operationalised or measured in practice, and by what instrument?", "kind": "measurement" }, { "id": "operational-record-q02", "text": "What does that operationalisation leave out, and when does that matter?", "kind": "boundary" } ] } ] } ] }, { "id": "instances-and-use", "name": "Instances, use and consequence", "description": "What counts as an instance of apraxia and what follows from calling something that.", "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.", "layers": [ { "id": "instances", "name": "What counts as an instance", "description": "Clear cases, borderline cases and non-cases.", "findings": [ { "id": "instance-tests", "name": "Tests for an instance", "description": "What would settle whether something falls under it.", "questions": [ { "id": "instance-tests-q01", "text": "What would settle whether something is an instance of apraxia?", "kind": "boundary" }, { "id": "instance-tests-q02", "text": "Which borderline cases are argued about, and on what grounds?", "kind": "definition" } ] } ] }, { "id": "consequence", "name": "Consequence of application", "description": "Rights, duties or decisions that follow from the label.", "findings": [ { "id": "consequence-record", "name": "What the label licenses", "description": "What an agent may do once something is classified this way.", "questions": [ { "id": "consequence-record-q01", "text": "What follows practically once something is treated as apraxia?", "kind": "action" }, { "id": "consequence-record-q02", "text": "What must an agent not infer from the label alone?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a apraxia came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a apraxia and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a apraxia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a apraxia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a apraxia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a apraxia is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a apraxia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a apraxia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a apraxia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 5, "layers": 10, "findings": 12, "questions": 32 } } } }