In Kelly Lambert's lab at the University of Richmond, rats are trained to drive tiny cars. Researchers are studying how that training, and the anticipation associated with it, affects their brains.

In the new study, published on Wednesday in the journal Drug and Alcohol Dependence, nearly 30 lab rats had the opportunity to self-administer small doses of cocaine by placing their noses in a ...

A new study of lab rats who were given cocaine is shedding new light on the cognition of addiction. Identifying populations vulnerable to substance use disorder is an increasing focus for ...

The divider made a loud clicking sound as it cracked open. A handful of lab rats darted out from one side of the maze, zipped through the turns, and started to munch on the chocolate without a ...

As learning took place in the lab rats’ little brains, running the maze became an automatic routine. In his book The Power of Habit, Charles Duhigg called this mental mechanism a habit loop.