Self Administration Chamber
Operant conditioning chambers for behavioral pharmacology and reinforcement studies, featuring dual response mechanisms, floor grids, pellet dispensers, and integrated syringe pump systems.
| chamber_interior_dimensions_mouse | 18 x 18 x 20 cm (width x depth x height) |
| chamber_interior_dimensions_rat | 26 x 26 x 25 cm (width x depth x height) |
| nose_poke_aperture_dimension | 1.3 x 1.2 x 1.2 cm width x height x depth |
| nose_poke_apertures | Two |
| nose_poke_height_above_floor | 1 cm |
| shock_current_range | 0.1 to 4.0 mA in 0.1 mA steps |
The Self Administration Chamber is a comprehensive operant conditioning system designed for controlled behavioral pharmacology and reinforcement studies. The system enables precise investigation of motivated behaviors, reward-seeking responses, and reinforcement schedules in mouse and rat models. Each chamber features dual operant response mechanisms (levers or nose pokes), dual LED visual stimuli, integrated floor grids for aversive conditioning, dual pellet dispensers for food reinforcement, and a syringe pump system for precise intravenous delivery.
The apparatus operates within sound-attenuating isolation cubicles equipped with speakers, house lights, circulation fans, and infrared illumination for behavioral monitoring. The modular design supports up to 16 chambers simultaneously, with wireless connectivity and standardized control interfaces. Chamber dimensions are optimized for species-specific behavioral requirements, with mouse chambers measuring 18 x 18 x 20 cm and rat chambers measuring 26 x 26 x 25 cm internally.
How It Works
Features & Benefits
chamber_interior_dimensions_mouse
- 18 x 18 x 20 cm (width x depth x height)
chamber_interior_dimensions_rat
- 26 x 26 x 25 cm (width x depth x height)
nose_poke_aperture_dimension
- 1.3 x 1.2 x 1.2 cm width x height x depth
nose_poke_apertures
- Two
nose_poke_height_above_floor
- 1 cm
shock_current_range
- 0.1 to 4.0 mA in 0.1 mA steps
grid_floor_mouse_rod_diameter
- 4mm
grid_floor_mouse_spacing
- 5 mm
grid_floor_rat_rod_diameter
- 6mm
grid_floor_rat_spacing
- 10mm
pellet_dispenser_default
- 20 mg
pellet_dispenser_alternative
- 45 mg
frequency_tone_range
- 100-20,000Hz
volume_range
- 1-130dB
lever_width_rats
- 1.6 cm
lever_width_mice
- 1 cm
cue_light_colors
- ['white', 'red', 'green', 'blue']
syringe_pump_interior_diameter
- 12 mm
maximum_chambers_supported
- 16
sound_attenuating_chambers
- Up to 16
chamber_control_boxes
- Up to 16
connection_type
- wireless connections
Behavioral Construct
- operant conditioning
- drug self-administration
- reward-seeking behavior
- reinforcement schedules
- aversive conditioning
- behavioral extinction
- cognitive flexibility
Automation Level
- semi-automated
Material
- acrylic walls
- aluminum frame
Color
- Black
- Clear
Speed/RPM
- 0.5 – 60 RPM
Dimensions
- 60 cm x 55 cm x 65 cm
Research Domain
- Addiction Research
- Behavioral Pharmacology
- Learning and Memory
- Neuroscience
- Pain Research
- Toxicology
Species
- Mouse
- Rat
Weight
- 21.0 kg
Dimensions
- L: 43.2 mm
- W: 38.0 mm
- H: 27.9 mm
Comparison Guide
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Chamber Scalability | Up to 16 chambers supported simultaneously | Entry-level systems often support 2-4 chambers maximum | Enables high-throughput studies with larger sample sizes and multiple experimental conditions tested concurrently. |
| Response Mechanisms | Dual levers or nose pokes per chamber | Basic chambers typically include single lever configuration | Supports complex choice procedures and concurrent reinforcement schedules for sophisticated behavioral analysis. |
| Drug Delivery Integration | Integrated syringe pump system with 12mm interior diameter | Most operant chambers require separate drug delivery equipment | Streamlines self-administration protocols with coordinated behavioral and pharmacological control. |
| Shock Current Range | 0.1 to 4.0 mA in 0.1 mA steps | Standard systems often provide limited current adjustment options | Enables precise titration of aversive stimuli for individual animal sensitivity and experimental requirements. |
| Environmental Control | Sound-attenuating cubicles with circulation fans and IR lighting | Basic chambers may lack comprehensive environmental isolation | Reduces external variables and maintains consistent conditions across all testing chambers for reliable data collection. |
| Connectivity | Wireless connections between chambers and controller | Traditional systems rely on hardwired connections | Simplifies installation and reduces cable management complexity in multi-chamber configurations. |
This system integrates drug delivery capabilities with comprehensive operant conditioning features in a scalable multi-chamber configuration. The wireless connectivity, dual response mechanisms, and precise environmental control provide advantages for behavioral pharmacology research requiring simultaneous testing across multiple subjects.
Practical Tips
Calibrate syringe pumps weekly using known volumes to verify accurate infusion delivery rates.
Why: Pump accuracy directly affects dose-response relationships and experimental validity.
Clean grid floors daily with enzymatic cleaners to prevent biological buildup affecting stimulus delivery.
Why: Residue accumulation can create current shunts and inconsistent stimulus intensity.
Allow 30-minute chamber equilibration before sessions to stabilize temperature and air circulation.
Why: Environmental consistency reduces stress-related behavioral variability and improves data reliability.
Test LED stimulus visibility from animal eye level during initial setup verification.
Why: Proper cue visibility ensures discriminative stimuli effectively control behavioral responding.
Monitor inter-response intervals during initial training to identify equipment malfunctions or response detection issues.
Why: Unusual response patterns may indicate hardware problems rather than behavioral changes.
Verify floor grid current output with calibrated meter before introducing animals to new experimental protocols.
Why: Ensures stimulus intensity remains within approved IACUC protocol parameters.
Replace pellet dispensers quarterly or when jamming frequency increases to maintain consistent reinforcement delivery.
Why: Dispenser reliability directly affects reinforcement schedule integrity and behavioral learning patterns.
Record ambient temperature and humidity daily as these environmental factors can influence operant response rates.
Why: Environmental documentation supports data interpretation and helps identify potential confounding variables.
Setup Guide
What’s in the Box
- Self administration chamber(s) with species-appropriate dimensions
- Sound-attenuating isolation cubicle(s)
- Dual levers or nose poke assemblies
- LED visual stimulus modules
- Shock grid floor assembly
- Dual pellet dispensers
- Pellet receptacles
- Syringe pump system with tubing
- Speaker and house light assemblies
- Circulation fan and IR light
- Feces and urine collection tray
- Chamber control box(es)
- Main controller unit
- Wireless connection hardware
- User manual and installation guide (typical)
- Conduct Software license (sold separately - $1490)
Warranty
ConductScience provides a standard one-year manufacturer warranty covering defects in materials and workmanship, with comprehensive technical support for system setup, calibration, and troubleshooting throughout the warranty period.
Compliance
What reinforcement schedules can be programmed with the Conduct Software?
The software supports standard operant schedules including fixed-ratio, variable-ratio, fixed-interval, variable-interval, and progressive-ratio schedules, with customizable parameters for session duration, timeout periods, and complex concurrent choice procedures.
How precise is the syringe pump system for infusion delivery?
The 12mm interior diameter syringe pump provides programmable infusion rates and volumes suitable for controlled intravenous compound administration, though specific flow rate ranges should be confirmed in the product datasheet.
Can the chambers accommodate chronic catheter implants for self-administration studies?
Yes, the system includes integrated syringe pump connections designed for use with chronically implanted intravenous catheters, with appropriate tethering systems to maintain catheter patency during behavioral sessions.
What data outputs are generated during experimental sessions?
The system records response timestamps, inter-response intervals, reinforcement deliveries, session duration, and behavioral event markers, with data exportable for statistical analysis software.
How effective is the sound attenuation in the isolation cubicles?
The isolation cubicles provide sound attenuation to minimize external auditory distractions, though specific decibel reduction values should be verified in the technical specifications.
Can multiple solution concentrations be tested simultaneously across chambers?
Each chamber has an independent syringe pump system, allowing different concentrations or compounds to be administered simultaneously across the 16-chamber configuration.
What maintenance is required for the floor grid system?
Regular cleaning of grid rods to remove biological residues and periodic calibration of current output across the 0.1-4.0 mA range ensures consistent stimulus delivery.
How does this system compare to other operant conditioning chambers?
The integrated syringe pump system, dual response mechanisms, and scalable 16-chamber capacity distinguish this system from basic operant chambers that typically lack infusion delivery capabilities and multi-chamber coordination.
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