Serotonin neurons in the brainstem are not independent, as once thought, but interact to influence decision-making.

Our lives are filled with binary decisions—choices between one of two alternatives. But what's really happening inside our ...

and decision-making—with recent hard-won insights into the filtering properties of the brain's dorsal raphe nucleus. Serotonin is often painted as the brain's "pleasure chemical" but its precise ...

Serotonin operates in key brain regions, like the raphe nuclei in the brainstem, fine-tuning communication between brain ...