Tami Simon speaks with Rick Hanson, a neuropsychologist and cofounder of the Wellspring Institute for Neuroscience and Contemplative Wisdom. Rick is the co-author of Buddha's Brain: The Practical Neuroscience of Happiness, Love and Wisdom, as well as the Sounds True audio learning programs Meditations for Happiness and Meditations to Change Your Brain. In this interview, Rick discusses the neurological structure of the brain, and how this knowledge can help us create a positive mental outlook. (71 minutes)