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Ugo Basile Passive Avoidance Apparatus
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This classic instrument for Pavlovian Conditioning exploits the tendency in mice and rats to escape from an illuminated area into a dark one (step-through method). The instrument consists of a tilting-floor box (for mice or rats) divided into two compartments by a sliding door and a control unit incorporating a scrambler shocker.
Background
- Tests are conducted in a two-compartment cage divided by an automated, silent sliding door. The first compartment is dimly lit (preferable to a rodent), and the second is brightly lit.
Reliable, convenient, flexible
- The tilting floor ensures a simple and reliable detection mechanism to score the animal’s movement across the two compartments.
- Easy, convenient testing using the 12 inch touch screen Controller:
- Set up and manage both Passive and Active Avoidance Tests including the 8-pole shocker.
- Connect up to 4 cages to the same Controller (using Expansion Box for each additional cage).
- Data is recorded, displayed and stored in the control unit. Transfer test data to your PC using the USB key (supplied) for further processing using Excel, Access, etc.
For the Mouse, Rat and Cat
The Basile Passive Avoidance Instrument is an efficient, reliable instrument for the classic passive avoidance task.
Rodents will normally crawl through a small opening into a darker chamber. If they are shocked in the dark chamber… this normal tendency is reduced, measured by longer latency or refusal to enter the dark chamber …that is, to passively stay where they are.
A unique elevator door design opens the passage to the dark side after a preset delay. The doors operate silently and automatically. Latency to pass through the doors is recorded with 0.1 sec. resolution. The controller allows digital setting of the shock intensity in milliamps.