Driven by small software-controlled servo motors, shielding cylinders can be independently moved up and downwards. If the cylinder is lowered, the access port of the food container or access to the nipple of the drinking bottle is blocked, restricting access to food and/or liquid according to customized schedules – by time, duration and by amount consumed. Combined with a running wheel or operant wall, food/liquid access can be linked to performance parameters.
- Fully automated food and liquid access control by time, duration and amount
- Food or liquid restriction or deprivation prior to learning tasks raise motivation – ideal in combination with the operant wall
- Controlled administration of drugs in food or liquid form
- Paired and yoked feeding and drinking experiments can easily be implemented
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