It is based on the innate light aversion and the spontaneous exploratory behavior of rodents in response to mild stressors; the novel environment and the light/open space.

Light-dark box compartments

During the test, the animal is placed in a chamber with two compartments, one light and one dark. The Noldus light-dark box has one larger open room, and one smaller dark compartment. In between them is a manually operated sliding door.

The Noldus light-dark box is made out of IR translucent materials for optimal video tracking.

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Video tracking parameters

During the test, the animal can pass from one compartment to the other. Common parameters measured include time spent in each compartment and crossings from one compartment to the other. Orientation and body elongation can be useful additions.

EthoVision XT makes video tracking a breeze and automatically calculated a number of parameters based on the location of the animal, and the relative position of its nose point, center point, and tail base.

Customizable

The Noldus light-dark box is standard available for mice or customized to your specifications.

publications with Noldus and the  Light-dark box