The aroma of wine or beer. A glimpse of white powder. The sound of music wafting from a neighborhood ice-cream truck.
Scientists have long known that such environmental cues can spark cravings — and trigger relapses — for those who struggle with addiction.
What happens in the brain as these processes occur is less well understood. But a group of neuroscientists based at the Johns Hopkins University has shed new light on the question, stirring hopes that researchers might one day develop interventions that blunt the urge to binge.
The Hopkins team led by Jocelyn Richard, a postdoctoral fellow in psychological and brain sciences at Hopkins, and Patricia...