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Black & White Test Box
Comparison of anxiolytic drug-induced ease of exploratory activity between an illuminated compartment and a dark one: this test is a quick and evaluation of the animal anxious behavior and its modification by pharmacological agents, and available for rats and mice
Black & White Test Box: System overview
Presentation
Numerous behavioural paradigms using several conflict procedures, social interaction or exploration of novel environments have been proposed as animal models of anxiety. B. Costall et al have described (Pharmacol. Biochem. Behav. 32(3): 777-785, 1989) a new model based on the adversive properties of the open field and in which anxiolytic drug-induced ease of exploratory activity is compared between an illuminated compartment and a dark one.
Our dark-light (or Black & White) box allows easy and quick evaluation of the animal anxious behavior and its modification by pharmacological agents by assessing the animal displacements in two compartments with different size, color and illumination. It is a available for both rats and mice
Operating principle
The dark-light experimental box, constructed of Perspex, is composed of a small black compartments and a big white compartment separated by a connecting gate. Each compartment has its own removable Perspex floor of the same color of the respective walls and 90 X 90 mm sectors delimited by lines. The compartments are independently illuminated: the white one with a 100 W white bulb and the black one with a 40 W red bulb. Both bulbs are 370 mm from the floor of the box.
The dark-light box can be supplied with a weight transducer system for automated animal detection. In that case, the automated experimental chambers (up to 8) are associated to the PC-based control software PPCWIN for data storage and analysis.
Even though it may represent a more complex experiment to set due to the strong lighting contrast existing between the compartments, some researchers also use the box with a video tracking system.
Options
Models LE816 and LE818 have a load cell in each compartment to detect the position of the experimental subject. All models are controlled by the PPCWIN Software
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