ross thompson a distinguished professor of psychology. >> thank you for coming. >>my pleasure. >> you'reoing parent/child development in the first three yea. tell us about that. >> we study parent/child relationships and our appreciation for the importance of what is going on in these every y encounters between a responsive adult and interested child. our appreciation of that is really grown bause of the work on early brain development because of the ways researchers andneuroscientists have focused on how explosive is the growth of thbrain in the early years of life and how much the brain grows as a result of how it's stimulated by social interacon like these, adults who are singing and otherwise being responsive to what achild's interests are. >> it's interesting because so many new parents wa to have the baby in a quiet room and don't say anything, don't take em around big crowds and i have other parents who take them out to baseball game >> that's right. >> that's a lot of stimulation. >> it is possible. it is -- you can overstimulate a young child and oversti