Basal ganglia outputs to the superior colliculus are often associated with eye movements. Using in vivo recording and optogenetic stimulation, the authors demonstrate that a specific GABAergic pathway from the lateral substantia nigra pars reticulata to the lateral superior colliculus is critical for self-initiated drinking behavior, but not for whisking or blinking.
- Mark A Rossi
- Haofang E Li
- Henry H Yin