This is a quick talk I gave at the first Ignite Detroit. "Research into the brain is uncovering how we make decisions. The limbic system, an ancient and primal part of the brain, and the neurotransmitter dopamine turn out to play a very important role. The emerging understanding of dopamine in the limbic system is shedding a new light on addiction, compulsive behaviors, and some of the quirkier parts of human nature."