Shivathmihai Nagappan

The paper identifies three genetic dopamine subtypes in the substantia nigra pars compacta, each with distinct functional responses to rewards, aversive stimuli, and movement, showing strong correlation between soma and axon signaling within subtypes.

The paper investigates the roles of two neuron types in the olfactory cortex and finds they process odor information in parallel rather than sequentially.

The paper shows that recurrent circuitry in piriform cortex stabilizes odor representations despite degraded input, supporting pattern completion in an associative network.