Figure 1.

Coronal schematics illustrating the accuracy of our bilateral AAV ChR2 injections in the VMN (A) and the guide cannula implantations and AAV eYFP injections in the VTA (B).

Coronal schematics illustrating the accuracy of our bilateral AAV ChR2 injections in the VMN (A) and the guide cannula implantations and AAV eYFP injections in the VTA (B).