Eric Littleton, left, holds son Solomon Littleton, 7, as Solomon's twin brother Isaac Littleton jumps on a trampoline at their home, 17313 Zinc Drive, in Edmond, Okla., Thursday, December 16, 2010. Solomon Littleton has a neurological disorder that gives him symptoms similar to autism and Alzheimer's disease. Photo by Nate Billings, The Oklahoman