Sociability Index
Normalized preference for the social vs empty chamber
ConductVision · Behavioral Analysis
Sociability Chamber Maze
Three-chamber paradigm for social motivation and social novelty preference.
RodentSocial BehaviorAuto Export
ConductVision / Sociability Chamber Maze
Recording / Trial 3subject tracked
Social Preference72%
Interaction Time85s
Chamber Entries16
Key Parameters
Metrics automatically extracted by ConductVision.
Social Novelty Preference
Preference for a novel vs familiar conspecific
Time in Social Chamber
Duration in the chamber containing the stimulus mouse
Time in Empty Chamber
Duration in the chamber with the empty wire cup
Sniffing Time (Social Cup)
Active investigation of the wire cup holding the stranger
Chamber Entries
Doorway crossings per chamber reflecting exploration
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Center Chamber Time
Duration in the neutral center passage
Sniffing Time (Empty Cup)
Investigation of the empty wire cup
Latency to Enter Social Chamber
Time to first entry into the social chamber
Latency to Enter Empty Chamber
Time to first entry into the empty chamber
Distance per Chamber
Path length within each of the three chambers
Transitions
Total doorway crossings regardless of direction
Sniffing Bout Duration
Average length of individual investigation episodes
What is the Sociability Chamber Maze?
The Sociability Chamber Maze — based on the classic Crawley three-chamber paradigm — quantifies social motivation and preference for social novelty. Subjects freely explore chambers containing a novel conspecific, a familiar conspecific, or an empty enclosure.
ConductVision automates orientation tracking, proximity analysis, and interaction time measurement. The gold standard for phenotyping autism spectrum disorder models, evaluating social cognition, and screening prosocial pharmacological agents.
Protocol Parameters
| Parameter | Description | Default |
|---|---|---|
| Total Apparatus Length | Three-chamber combined length | 60 cm (mouse) / 120 cm (rat) |
| Chamber Width | Width of each chamber | 40 cm (mouse) / 40 cm (rat) |
| Doorway Width | Opening between chambers | 10 cm |
| Wire Cup Diameter | Stimulus mouse enclosure | 10 cm, bar spacing 1 cm |
| Phase 1: Habituation | Free exploration of empty apparatus | 5 min |
| Phase 2: Sociability | Stranger 1 in wire cup vs empty cup | 10 min |
| Phase 3: Social Novelty | Stranger 1 (familiar) vs Stranger 2 (novel) | 10 min |
| Stimulus Mouse | Age- and sex-matched unfamiliar conspecific | Same strain, habituated to cup |
| Sniffing Zone | Proximity zone around wire cups for interaction scoring | 2 cm radius |
| Light Intensity | Overhead illumination | 40 lux |
| Counterbalancing | Side assignment for social vs empty | Left-right counterbalanced |
Interpreting Results
↓
Decreased Sociability Index
Social motivation deficit — no preference for social vs empty chamber, hallmark of BTBR, Shank3, and Cntnap2 autism models.
↓
Reduced Social Novelty Preference
Impaired social recognition — failure to prefer novel over familiar mouse seen in oxytocin and vasopressin receptor knockouts.
↑
Increased Center Chamber Time
Social avoidance or indecision — excessive time in the neutral center zone rather than approaching either stimulus.
↓
Reduced Sniffing Time
Diminished social investigation — less active exploration of the wire cup containing the stimulus mouse.
↑
Elevated Chamber Entries
Hyperactivity confound — high locomotion without social preference may indicate general hyperactivity rather than social interest.
↑
Restored Sociability after Treatment
Prosocial drug effect — oxytocin, MDMA, and mGluR5 modulators can rescue sociability deficits in genetic models.
Research Applications
Autism Spectrum Disorder
- Genetic models — BTBR, Shank3B−/−, Cntnap2−/−, Mecp2 sociability phenotyping
- Environmental models — prenatal valproic acid and maternal immune activation
- Prosocial therapeutics — oxytocin, vasopressin V1a agonists, and mGluR5 positive allosteric modulators
Social Cognition
- Social recognition memory — novel vs familiar discrimination in Phase 3
- Oxytocin system — OT and OTR knockout effects on social approach and novelty preference
- Hippocampal CA2 — role in social memory formation and retrieval
Neurodevelopmental Screening
- High-throughput phenotyping — standardized three-chamber protocol for mutant mouse panels
- Developmental windows — critical period assessment for social behavior maturation
- Sex differences — male vs female sociability profiles across genetic backgrounds
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