. >> this is a profound insight which allows us to think that there may be a unifying theme connecti theisorde, a perps allowing us to get a completely new therapeutic approach to this. that if we could solve any one of them in a fundamental way we would revolutionize neurology. >> rose: episode 8 the charlie rose brain series 2, underwritten by the simons foundation. >> the charlie rose brain series is the most exciting scientific journey of our time. understanding the brain,s series made possible by a grant from the simons foundation, their mission is to advance the frontiers of research in the basic sciences and mathematics. >> funng for arl ree-- charliest rose was provided by the following: >> rose: additional funding provided by these funders: captioning sponsored by rose communications from our studios in new york city, this is charlie rose. >> rose: tonight we continue our exploration into our magnificent brain with a look at disorders of movement. they're associated with changes in the brain cells that help us move. these changes can affect the speed, quality and ease of movement. the