>> temple grandin: i'm okay. >> stahl: grandin has asperger's, a high-functioning form of autism, but speak. >> grandin: my speech started coming in around, you know three, three and a half. a few stressed words at a time, like i'd say "bah" for "ball". >> stahl: to analyze grandin's brain, schneider used a new technique he developed called high definition fiber tracking that reveals the interior wiring in fine detail. this is a normal brain? >> schneider: this is a normal brain. >> stahl: first, he showed us the fibers that make up the language circuit in a normal brain, a streamlined bundle with off ramps at the top. but what about in a brain with autism, like temple grandin's. you're going to show us temple's brain? >> schneider: yes. we're going to show the inside of temple's brain. >> stahl: what i saw floored me. what did you think when you saw that? that is temple... that is that... that is that? >> schneider: that is this section and how it projects out. >> stahl: but that's dramatic! >> schneider: that's dramatic. >> stahl: schneider thinks this dramatic disorganization of th