Self-administration is a common method in behavioral pharmacological, reward-seeking and addiction behavior research. It provides perfect scientific research protocol for the qualitative and quantitative analysis and evaluation of drug psycho-dependence. Based on the positive reinforcement effect of some drugs and under the certain conditions, animals can obtain certain incentive operations after performing the specified actions and steps set by the experimental program, thus behavior and reward can be connected, which is to simulate human drug abuse situation.
Self-administration is an operant-conditioning paradigm in which animals learn that a specific action produces a programmed outcome. In intravenous self-administration studies, a lever press or nose-poke response can be paired with an intravenous drug infusion and associated sound or light cues. This allows researchers to examine response patterns under defined reinforcement schedules.
Our Self Administration System SA214 combines an operant chamber, sound-attenuating cubicle, programmable syringe pump, drug-delivery kit, and behavioral control software. It can be configured for drug self-administration and food- or sucrose-reward protocols in rats and mice, supporting studies of drug seeking behavior and reward-seeking behavior.
Application
Drug addiction research: Cocaine, morphine, nicotine, alcohol self-administration models. Behavioral neuroscience: Reward-seeking and reinforcement learning studies. Pharmacological evaluation: Assess drug psycho-dependence and therapeutic compounds. Operant conditioning studies: Lever pressing, stimulus-response, and reinforcement analysis. Rodent models: Self-administration in rats and mice, intravenous and oral paradigms.
Features & Benefits
High-throughput software: Manage up to 32 cages simultaneously
Wireless connectivity: Stable signal transfer, minimal wiring
Video monitoring: Real-time animal observation & data recording
Sound & light cues: Support operant conditioning and reinforcement protocols
Modular design: Easy assembly, cleaning, and flexible configurations
Precise drug delivery: Programmable syringe pump ensures accurate dosing
Multi-species compatibility: Suitable for both rats and mice
How to create a Drug Self Administration protocol?
Software can support up to 32 self-administration cages.
Independent signal detection control in each box to precise detect the signal in the experiment.
Each secondary controller comes with various signal indicator, experiment process can be accurately judged through the indicator without opening the insulation box, thus to reduce the human interference.
Each self-administration cages is connected to the controller through latest technology like wireless connection.
Simple and easy wire connections.
Sound Attenuation Cubicle & Accessories
Sound Attenuation Cubicle: Double hollow PVC board, with multi-layer sound-proof insulation material that attenuates environment disturbance, six sides fire retardant sound insulation board in inner wall. Sound insulation > 35dB.
General size 625 x535 x690mm. Easy to clean, resistant to stains and moisture.
Fan: Programmable 12V,500MA DC. Used as ambient background noise, can also be used for ventilation, dust cover included.
Camera: Researcher can observe the animal status and save the experiment video in real time, avoid the negative impact on the experiment caused by opening the door or the window to observe the animal during the experiment.
Lighting: Power 5w, color temperature 6500K, manually opened.
Test Chamber
Circular hole is equipped in the top cover that allow the tethered drug delivery system and fiber optic EEG electrodes to easily enter the room.
Integrated operant chamber.
Mouse chamber 20 x 17x 12 cm (width x depth x height)
Rat chamber 29 x 24 x 23 cm (width x depth x height)
Stainless Steel Grid Floor
4mm metal rods, Rat and Mouse have different space, support plantar electrical stimulation. Easy disassemble and clean.
The grid current ranges from 0 to 4.0 mA, with step 0.01 mA.
Electric shock duration 1ms-655s, shock interval and duration can be set according to the experiment.
Transformer transverse current electrical stimulation. The voltage is automatically adjusted according to the dry and wet condition of the animal body surface. Maximum excitation voltage is 250V DC.
Mouse: 200x200mm, Rat: 250x250mm
LED House Light
Programmable full color RGB_LED room light, color brightness can be adjusted and can be set to associate with the reward.
Stimulus Light
Programmable full color RGB_LED stimulation light, color brightness can be adjusted.
Sound Frequency
Frequency tone 200-5,000Hz frequency; time 0.1~60s.
Independent sound frequency and volume control for each chamber.
Pellet Dispenser
Support 20mg or 45mg Bio-Serv pellet, 45 mg pellet dispenser is the default choice. 20mg pellet is available.
Food detection function to ensure perfect delivery of one standard pellet.
Support manual feeding training, and manual feeding stop.
With food shortage feedback function, if no detect after three deliveries, missing food data will be uploaded to remind the researchers to add pellet.
Pellet Receptable Trough
Modular design, easy disassemble.
Equip with food drop detection, animals can explore Head Entry Detector.
Super high food trough opening is optional, to use in the animals with probe.
Lever
Fixed ultra-sensitive stainless lever.
The weight for the mouse 3g, rat 25g.
Friction shaft, with limit position protection function, non-contact sensor to detect the signal output of the lever.
Programmable Syringe Pump
For precise administration of fluids and drugs through programmable control.
Suitable for multiple flow rates continuous or when flow rates need to vary during experiments.
Applicable on drug testing, catheters flushing, electrolyte therapy, and sucrose gradients etc.
Injection time is calculated automatically by the speed and the dosage of a single dose.
Self-administration is a gold-standard model in addiction research and behavioral pharmacology. It has been widely cited in studies exploring the neurobiological mechanisms of drug dependence, reinforcement learning, and reward-related behaviors. This method is extensively used in preclinical evaluations of drug abuse potential and therapeutic interventions.
Q1. What is a Rat/Mouse self-administration system used for in neuroscience research?
A rodent self-administration system is used in behavioral pharmacology and addiction research to study how animals obtain drugs or other rewards through operant responses, such as lever presses or nose pokes. It supports rat self-administration and mouse studies of drug reinforcement, reward, and drug seeking behavior.
This type of operant conditioning chamber is widely used for:
• Drug addiction studies
• Cocaine, morphine, nicotine, and opioid dependence research
• Dopamine reward pathway investigations
• Relapse and reinstatement models
• Learning and reinforcement studies
• Motivation and compulsive behavior analysis
Q2. How does a self-administration experiment work?
A self-administration test is based on the classic Skinner operant conditioning principle. In a typical experiment:
The animal presses a lever or nose poke.
The system delivers a reward, such as, Intravenous drug infusion, Food pellet, Sucrose solution.
Cue lights or sound stimuli reinforce the association.
The animal learns that a specific behavior produces a rewarding outcome.
Q3. How does the programmable syringe pump improve self-administration experiment accuracy?
The programmable syringe pump ensures highly precise and repeatable drug delivery during self-administration experiments. Single-dose range from 0.001 ml–1 ml with stable intravenous drug infusion.
Accurate infusion control improves data consistency in self-administration and self dependance, ensure GLP-compliant research outcomes.
Q4. Can the self-administration software support large-scale behavioral experiments?
Yes. The software supports up to 128 self-administration chambers simultaneously, making it ideal for high-throughput behavioral pharmacology laboratories.
Q5. What behavioral data can be collected during a self-administration experiment?
The self-administration software records comprehensive behavioral and reward-related data, including:
• Total lever presses
• Effective lever responses
• Ineffective lever responses
• Left/right lever activity
• Infusion times
• Infusion volume
• Pellet reward count
• Shock frequency and duration
• Event timestamps
• Reward status
• Head entry detection
These metrics help researchers evaluate:
• Reinforcement learning
• Drug craving intensity
• Motivation levels
• Behavioral extinction
• Relapse behavior
• Compulsive reward-seeking patterns
Q6. How does the pellet dispenser ensure reliable reward delivery in self administration or drug discrimination?
The automated pellet dispenser is compatible with 20 mg and 45 mg pellets. Its food-detection function confirms pellet delivery and can alert researchers when replenishment is needed.
