I'm about to have my brain scanned, as part of a series of tests i'll undergo here at the university of california's addiction lab in los angeles. the team, led by clinical psychologist, laura ray, is studying how alcohol affects the brain, and with the data, searching for a pharmacological intervention, a pill to help people quit. >> i have a low-res picture of lisa's brain here. >> unlike opiates that affect one part of the brain, alcohol is a messy drug. it targets multiple systems at once. >> when we start drinking, the blood alcohol level going up, we feel talkative, more comfortable in s...