SCF ENCYCLOPEDIA ENTRY
SMITH–MAGENIS SYNDROME (SMS)
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Encyclopedia Classification
Domain: Neurogenetics, Developmental Biology, Circadian Biology & Decentralized Biological Intelligence (DBI)
Primary Division: Chromosomal Microdeletion Syndromes, Circadian Governance Disorders & Neurodevelopmental Behavioral Diseases
SCF Volume: Volume CLVII — Circadian Intelligence Systems, Behavioral Governance Architecture & Neurodevelopmental Pathophysiology
Document Code: SCF-SMS-0001
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I. FORMAL DEFINITION
Smith–Magenis Syndrome (SMS)
Smith–Magenis Syndrome (SMS) is a rare neurodevelopmental disorder primarily caused by deletion of chromosome 17p11.2 or pathogenic variants in the RAI1 (Retinoic Acid Induced 1) gene. The syndrome is characterized by intellectual disability, developmental delay, sleep disturbances, circadian rhythm disruption, behavioral dysregulation, craniofacial abnormalities, and multisystem developmental dysfunction.
The major genetic causes include:
Genetic Defect | Functional Role |
17p11.2 deletion | Loss of RAI1 and neighboring genes |
RAI1 mutation | Transcriptional and circadian regulation |
Within the SCF framework:
Smith–Magenis Syndrome represents a circadian-governance and neurodevelopmental information-processing disorder in which molecular timing systems lose the capacity to synchronize behavioral, neurological, endocrine, and developmental networks, resulting in widespread adaptive desynchronization.
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II. PRIMARY AXIOM
Core Axiom
Organismal stability requires synchronized biological timing systems capable of coordinating sleep, behavior, metabolism, neurodevelopment, endocrine regulation, and environmental adaptation.
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III. SCF SMS LAW
Circadian Governance Integrity Law
Behavioral and developmental instability emerge when molecular timing architectures lose the ability to synchronize organism-wide adaptive programs.
SCF Interpretation
RAI1 functions as:
- Circadian-governance regulator
- Transcriptional coordination hub
- Behavioral synchronization controller
- Neurodevelopmental timing system
- Sleep–wake architecture regulator
- Adaptive resilience coordinator
Loss of RAI1 disrupts temporal organization of biological intelligence systems.
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IV. ETIOPATHOGENIC CORE
Primary Molecular Driver
RAI1 Dysfunction
17p11.2 Deletion or RAI1 Mutation
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RAI1 Deficiency
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Circadian Regulation Failure
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Transcriptional Dysregulation
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Sleep-Wake Desynchronization
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Behavioral and Developmental Dysfunction
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Central Disease Mechanism
RAI1 Dysfunction
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Circadian Gene Dysregulation
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Melatonin Rhythm Abnormalities
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Sleep Fragmentation
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Neurobehavioral Instability
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Adaptive Dysfunction
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V. NORMAL CIRCADIAN GOVERNANCE ARCHITECTURE
Normal State
Environmental Signals
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Circadian Clock Regulation
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Sleep–Wake Synchronization
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Behavioral Coordination
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Developmental Stability
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Adaptive Function
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SMS State
RAI1 Deficiency
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Circadian Clock Dysfunction
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Sleep Desynchronization
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Behavioral Dysregulation
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Developmental Instability
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Reduced Adaptation
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VI. SCF FAULT ARCHITECTURE
Tier 1 — Primary Molecular Fault
RAI1 Regulatory Failure
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Circadian Governance Dysfunction
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Tier 2 — Information Processing Failure
Transcriptional Timing Distortion
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Behavioral Synchronization Deficit
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Tier 3 — Developmental Command Failure
Neurodevelopmental Dysregulation
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Adaptive Learning Impairment
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Behavioral Instability
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Tier 4 — Organ-Level Consequences
Sleep disorders
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Cognitive impairment
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Behavioral abnormalities
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Developmental delay
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Tier 5 — Organism-Level Outcomes
Adaptive dysfunction
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Reduced resilience
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Multisystem developmental burden
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VII. SCF FAULT TIER MAPPING
SCF Domain | Contribution |
Feedback Desynchronization | Primary pathology |
Molecular Command Modeling | Circadian-governance collapse |
Developmental Command Failure | Neurodevelopmental dysregulation |
Connectomics Failure | Behavioral-network instability |
Endocrine Drift | Melatonin and hormonal rhythm abnormalities |
Environmental Signal Studies | Altered environmental timing integration |
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VIII. MOLECULAR MULTI-OMICS PATHOGENESIS MAP
Genomics
Primary Findings
- 17p11.2 deletion
- RAI1 mutations
- Haploinsufficiency mechanisms
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Transcriptomics
Findings
- Circadian gene dysregulation
- Developmental transcription abnormalities
- Behavioral-regulation pathway disruption
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Chronobiomics
Findings
- Inverted melatonin secretion patterns
- Circadian phase abnormalities
- Sleep-cycle instability
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Neuroomics
Findings
- Cognitive impairment
- Developmental delay
- Executive-function abnormalities
- Behavioral dysregulation
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Endocrinomics
Findings
- Melatonin rhythm abnormalities
- Circadian endocrine disruption
- Adaptive hormonal desynchronization
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Connectomics
Findings
- Behavioral-control network instability
- Learning-system dysfunction
- Emotional-regulation impairment
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Developmentomics
Findings
- Delayed maturation
- Growth abnormalities
- Developmental timing disruption
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IX. PATHOGENESIS FLOW (SCF LOGIC)
17p11.2 Deletion / RAI1 Mutation
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RAI1 Deficiency
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Circadian Dysregulation
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Sleep-Wake Disruption
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Behavioral Instability
↓
Developmental Delay
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Cognitive Dysfunction
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Adaptive Failure
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Multisystem Disease
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X. CLINICAL PHENOTYPE ARCHITECTURE
Sleep Manifestations
Major Findings
- Severe sleep disturbance
- Early morning awakening
- Daytime sleepiness
- Fragmented sleep
SCF Classification
Circadian Synchronization Failure Syndrome
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Neurodevelopmental Manifestations
Major Findings
- Intellectual disability
- Developmental delay
- Speech delay
- Learning difficulties
SCF Classification
Developmental Information Processing Disorder
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Behavioral Manifestations
Major Findings
- Self-injurious behaviors
- Aggression
- Attention deficits
- Emotional dysregulation
SCF Classification
Behavioral Governance Instability Syndrome
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Craniofacial Manifestations
Major Findings
- Characteristic facial appearance
- Midface abnormalities
- Dental abnormalities
SCF Classification
Developmental Architecture Syndrome
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Growth and Systemic Manifestations
Major Findings
- Short stature
- Obesity tendency
- Otolaryngologic abnormalities
- Peripheral neuropathy in some patients
SCF Classification
Multisystem Adaptive Regulation Disorder
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XI. PATHOGENS → SYMPTOMATOLOGY → SCF FAULT TIER MAPPING
Manifestation | SCF Interpretation |
Sleep disturbance | Circadian-governance collapse |
Early awakening | Timing-system desynchronization |
Intellectual disability | Neurodevelopmental processing dysfunction |
Behavioral dysregulation | Executive-control instability |
Self-injury | Adaptive behavioral failure |
Speech delay | Communication-network impairment |
Attention deficits | Connectomic coordination dysfunction |
Developmental delay | Global timing-system instability |
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XII. CIRCADIAN INTELLIGENCE FAILURE ATLAS
Normal State
Environmental Time Signals
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Circadian Clock Synchronization
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Sleep–Wake Coordination
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Behavioral Regulation
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Learning and Adaptation
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Resilience
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SMS State
RAI1 Dysfunction
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Circadian Desynchronization
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Sleep Disturbance
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Behavioral Instability
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Learning Impairment
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Reduced Adaptation
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XIII. MOLECULAR COMMAND MODELING ANALYSIS
Tier I — Sensor Disturbance
Affected Sensors
- Light-entrainment pathways
- Circadian timing receptors
- Environmental synchronization systems
Consequence
Temporal information becomes improperly integrated.
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Tier II — Integrator Failure
Affected Integrators
- RAI1
- Circadian transcription networks
- Melatonin-regulation pathways
Consequence
Biological timing coordination becomes unstable.
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Tier III — Executive Controller Failure
Affected Controllers
- Sleep-regulation systems
- Behavioral-governance networks
- Learning and memory circuits
- Neurodevelopmental timing programs
Consequence
Adaptive coordination deteriorates.
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Tier IV — Functional Outcome
- Sleep disorders
- Behavioral abnormalities
- Cognitive impairment
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XIV. COMMAND HIERARCHY MAPPING
Upstream Sensors
- Retinal light-sensing systems
- Circadian entrainment pathways
- Environmental timing detectors
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Midstream Integrators
- RAI1
- Circadian clock machinery
- Melatonin-regulatory networks
- Transcriptional coordination systems
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Executive Controllers
- Sleep–wake governance programs
- Behavioral-control systems
- Neurodevelopmental timing networks
- Adaptive learning pathways
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Downstream Effectors
- Suprachiasmatic nucleus pathways
- Pineal gland
- Cortical networks
- Limbic systems
- Endocrine tissues
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XV. SMITH–MAGENIS BIOMARKER ATLAS
Genetic Biomarkers
Biomarker | Significance |
17p11.2 deletion | Most common cause |
RAI1 mutation | SMS confirmation |
Chromosomal microarray findings | Diagnostic support |
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Circadian Biomarkers
Biomarker | Significance |
Melatonin secretion profile | Circadian dysfunction |
Sleep studies | Sleep architecture assessment |
Actigraphy | Circadian rhythm evaluation |
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Neurodevelopmental Biomarkers
Biomarker | Significance |
Cognitive testing | Developmental burden |
Speech-language evaluation | Communication status |
Behavioral assessments | Adaptive function |
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Functional Biomarkers
Biomarker | Significance |
Sleep efficiency | Circadian integrity |
Adaptive-behavior scales | Functional outcomes |
Educational assessments | Learning capacity |
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XVI. COMMAND VULNERABILITY ANALYSIS
Highest-Leverage Nodes
Rank | Node | Functional Role |
1 | RAI1 | Master circadian-developmental regulator |
2 | Circadian Clock Network | Biological timing architecture |
3 | Melatonin Regulation System | Sleep synchronization platform |
4 | Behavioral Governance Networks | Adaptive control systems |
5 | Learning Circuits | Cognitive development |
6 | Emotional-Regulation Systems | Behavioral stability |
7 | Environmental Entrainment Pathways | Synchronization interface |
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Disease Amplification Circuit
RAI1 Deficiency
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Circadian Dysregulation
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Sleep Disturbance
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Behavioral Instability
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Learning Impairment
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Reduced Adaptive Capacity
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Further Circadian Disruption
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Progressive Functional Burden
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XVII. SCF THERAPEUTIC MECHANISMS
SCF-PCR FRAMEWORK
Preventative
Objectives
- Early diagnosis
- Optimize developmental outcomes
- Improve circadian stability
Strategies
- Genetic testing
- Developmental surveillance
- Sleep-focused interventions
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Curative
Objectives
- Improve sleep regulation
- Stabilize behavioral function
- Enhance adaptive capacity
Current Clinical Approaches
- Behavioral therapies
- Sleep-management strategies
- Educational interventions
- Speech and occupational therapy
- Multidisciplinary developmental care
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Restorative
Objectives
- Maximize independence
- Improve quality of life
- Preserve long-term adaptive function
Strategies
- Circadian-supportive environments
- Cognitive rehabilitation
- Lifelong developmental support
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XVIII. PROJECT RHENOVA INTEGRATION PATHWAYS
Feedback Desynchronization
Primary Defect
- Circadian timing collapse
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Molecular Command Modeling
Primary Defect
- Temporal-governance dysfunction
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Developmental Command Failure
Primary Defect
- Neurodevelopmental timing instability
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Connectomics Failure
Secondary Defect
- Behavioral-network dysfunction
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Endocrine Drift
Secondary Defect
- Melatonin rhythm abnormalities
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XIX. SCF THERAPEUTIC RECONSTRUCTION LOGIC
Tier 1 — Circadian Restoration
Targets
- Biological timing systems
- Sleep–wake synchronization
- Melatonin rhythm stability
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Tier 2 — Behavioral Re-Synchronization
Targets
- Emotional regulation
- Executive function
- Adaptive behavior
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Tier 3 — Neurodevelopmental Preservation
Targets
- Learning systems
- Communication networks
- Cognitive resilience
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Tier 4 — Whole-System Adaptive Resilience
Targets
- Long-term functionality
- Developmental stability
- Environmental adaptability
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XX. NEXT STRATEGIC RESEARCH PATHWAYS
- Circadian intelligence atlases
- Smith–Magenis syndrome digital twin platforms
- RAI1 systems biology mapping
- Multi-omics chronobiology studies
- Behavioral-network resilience analytics
- Precision sleep-disruption prediction systems
- Neurodevelopmental timing models
- FDA-aligned circadian companion diagnostics
- Whole-organism synchronization simulations
- Circadian-governance reconstruction therapeutics
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XXI. SCF SUMMARY STATEMENT
Smith–Magenis Syndrome is the SCF-defined circadian-governance and neurodevelopmental disorder characterized by RAI1 deficiency, sleep–wake desynchronization, behavioral dysregulation, developmental delay, and cognitive impairment. Within the SCF framework, the disease represents collapse of biological timing architectures responsible for coordinating neurodevelopmental, behavioral, endocrine, and adaptive functions. The central pathophysiologic event is circadian-governance failure leading to organism-wide temporal desynchronization and developmental dysfunction.
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SCF MASTER REGISTRY INDEX
- SCF-SMS-0001 — Smith–Magenis Syndrome
- SCF-FDS-0001 — Feedback Desynchronization
- SCF-MCM-0001 — Molecular Command Modeling
- SCF-DCF-0001 — Developmental Command Failure
- SCF-CF-0001 — Connectomics Failure
- SCF-ED-0001 — Endocrine Drift
- SCF-ESS-0001 — Environmental Signal Studies
- SCF-CSDBIR-0001 — Cross-System DBI Reconstruction
- SCF-PATH-0001 — SCF Pathophysiology Protocol (Extended Version)
- SCF-RHENOVA-0001 — Project RHENOVA Integration Framework
- SCF-CIS-0001 — Circadian Intelligence Systems Registry
- SCF-CGA-0001 — Circadian Governance Architecture Registry
- SCF-RAI1-0001 — RAI1 Regulatory Systems Registry
- SCF-SWA-0001 — Sleep–Wake Architecture Registry
- SCF-BGS-0001 — Behavioral Governance Systems Registry