A choreography of nicotinic receptors directs the dopamine neuron routine.
- Modulation of the mesocorticolimbic dopamine system by nicotinic acetylcholine receptors (nAChRs) is thought to play an important role in both health and addiction. However, a clear understanding of how these receptors regulate in vivo firing activity has been elusive. In this issue of Neuron, Mameli-Engvall and colleagues report an impressive and thought-provoking series of in vivo experiments combining single-unit recordings from dopamine neurons with nAChR subunit deletions and region-specific lentiviral subunit re-expression.
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