Figure 2.

Main details of each experimental design (number of rats in each experimental group, set details, etc.). (A) Number of samples of each experimental group participating in the behavioral study. (B) Diagram of the grid apparatus and experimental set. Note the rectangular shape (46 × 44 cm) of the grid holes and the placement of a digital video camera that allows the moving image of the rat to be taken from a ventral position. (C) Number of samples of each experimental group participating in the molecular biology study. (D) Sequence of primers for RT-PCR.