I'm flying from Los Angeles to Boston for a week-long meditation retreat, and I'm feeling nervous. For the next seven days, I'll be sitting in silence with 100 other scientists at the Insight Meditation Society in Barre, Massachusetts, at an event sponsored by the Mind and Life Institute, an organization devoted to the scientific study of mindfulness and compassion. The event is unique: when before have 100 scientists, most of whom specialize in studying the brain, gathered together to sit in silence for a week and learn "mindfulness meditation"?

I know that teaching mindful awareness to people can markedly improve their physical and mental well-being. At the UCLA Mindful Awareness Research Center, we recently conducted an eight-week pilot study that demonstrated that teaching meditation to people, including adults and adolescents with genetically loaded conditions like attention-deficit/hyperactivity disorder, could markedly reduce their level of distraction and impulsivity.

Still, I have no background in meditation, my mind is always busily running on at least 10 cylinders, and I've never been known for my taciturnity.

I told a friend about the silence coming up and he said that talking with other people is his "life's blood," and that connecting with others--the talk, the eye contact, the closeness--was what gave his life meaning. Me, too, I said. How will it be to sit completely still for long periods of time, not communicating either verbally or…