How Dopamine Flips the Brain’s Fear Switch – And Turns On Calm

Researchers at MIT have uncovered a powerful way the brain “unlearns” fear: through a dopamine-driven reward signal. By tracing a pathway between dopamine-producing neurons and two types of cells in the amygdala, scientists discovered that dopamine not only signals danger but also plays a crucial role in calming fears by encouraging positive learning. This insight [...]