Figure 1: The figure shows the cage with three different levels of panel (marked in black. The cage is 40 cm in length, 40 cm in width and 30 cm high. Each panel has 16 infra-red beams and in the opposite side are their sensors. The panels are located 5, 10, and 15 cm above the floor of the cage. The lower panels record the total movement horizontal activity and the total distance traveling of the animals. The second level of panels with its sensors records the number of stereotypic movement and the third level records the vertical activity before and after drug exposure.