Neural circuitry mechanism which invigorates an animal to go from basal breathing which serves the purpose of gas exchange, to engage in the voluntary act of sniffing is not fully understood. These results from Johnson and colleagues support a model whereby sniffing can be initiated by dopamine’s actions upon ventral striatum neurons.
- Natalie L. Johnson
- Anamaria Cotelo-Larrea
- Daniel W. Wesson
