Figure 5.

Schematic locations of dialysis probes in the nucleus accumbens shell (A); sites of infusions into the ventral tegmental area (B). Schematic locations of probe tips in animals which were involved in statistical analyses of accumbens neurotransmitter concentrations (the bold lines indicate the dialyzing positions in Figure 4A and locations of WIN55,212-2/vehiculum solution administrations into the VTA (dark dots in the lower part of slices in Figure 4B) as described in the atlas of Paxinos and Watson [77]. The distance from bregma (in mm) is indicated on the left of each sectional view.