Drug and behavioral addictions like gambling are characterized by an intense and focused pursuit of a single reward above other healthier endeavors. Pursuit of the addictive reward is often compulsively sought despite adverse consequences. In a newly published study, Mike Robinson, assistant professor of psychology, neuroscience and behavior, and integrative sciences explored how our decisions can become narrowly focused onto one particular choice. He and his research team used laser light (optogenetics) to activate the central portion of the brain's amygdala (CeA), an area normally known for its role in generating responses to drug-related and fearful stimuli. The study, titled "Optogenetic…