Researchers have identified two distinct groups of neurons that help the brain evaluate risk and reward in decision-making.

Research in mice identifies brain circuitry that supports certain reward-based decisions.

But the performance of the technology—how easily and accurately a BCI user’s thoughts move a cursor, for example—is limited ...

A newly identified part of a brain circuit mixes sensory information, memories, and emotions to tell whether things are familiar or new, and important or just “background noise.” ...