Fig. 4.
Striatal c-Fos immunoreactivity 2 hr after treatment with cocaine (20 mg/kg). A, C, E, G, I, Representative control coronal sections showing the striatum (top, dorsal; right, lateral). B, D, F, H, J, RepresentativeTh−/−;DbhTh/+sections. A, B, c-Fos immunoreactivity in P4 striatum.C, D, c-Fos immunoreactivity in P6 striatum. E, F, c-Fos immunoreactivity in P10 striatum. G, H, c-Fos immunoreactivity in P14 striatum. I, J, c-Fos immunoreactivity in P18 striatum.