Animal runs from one end of the track to the other and receives reward at both ends.

Animal awake in its homecage in the dark

Animal runs half-way along a linear track and to return for a reward at the start point. The task is performed in total darkness. There is no reward given if the animal runs back before the return point. There can be a penalty if the animal runs too far.

Animal runs from one end of the track to the other and receives reward at both ends.

The animal runs along the central arm and alternate between the two return routes along the outer ring.

Animal can access a wheel with a connected square environment. Voluntary running without reward

Animal runs from one end to the other and receive food rewards at both ends. The slope of the track can be altered. Typically at 3 different slopes: -10 degrees, 0, +10 degrees.

The animal runs back and forth and on in one direction, an an air-puff is triggered as the animal crosses a predefined position on the track

Animal sleeps in his homecage