Detailed text transcripts for TV channel - CNN - 20110210:12:09:00
Just an important milestone as well. you heard pia, her chief of staff, talk about that. and also that she's completely aware that her husband mark kelly is going into space in april. now, that awareness to understand, and his ability to express yourself. such an important milestone. >> why is it so difficult after a brain injury to speak. and how is it possible then to be able to relearn the ability to do it? >> it's a good question. let me just show you on this brain model if i can for a second. you know, one of the things that's important is that different parts of the brain do different th...