Giffords is still in serious condition, but her family is expected to transfer her to Houston before the end of the week to start what will likely be an intense rehabilitation.
Mark E. Kelly at the side of wife Gabrielle Giffords in the University Medical Center, recovering from injuries sustained during the Tucson shooting
Former NFL player Kevin Everett of the Buffalo Bills underwent rehabilitation at TIRR after he was paralyzed during a game in 2007. He's now able to walk again.
TIRR's brain injury program is one of only six in the nation given the designation of Model System by the National Institute on Disability and Rehabilitation Research.