Additionally, Rezai says, the institute is working on a wearable medical sensor. It would work by measuring brain activity — establishing which patterns indicate a patient is at high-risk for exercising addictive behavior. Rezai says the goal is to be able to warn family, friends, and others in an addict support system, in real time, about when they are at the highest risk of abusing drugs.

Source: W.Va. scientists developing micro-implant technology to combat drug crisis