Detailed text transcripts for TV channel - MSNBC - 20120511:20:45:00
Them understand what that slippery line is? and also, is this stuff that's been discovered because of the advances and the pet scans and mris and the different brain m imaging we can now do? >> well, yeah, let me give you a perfect example. fear and anxiety. it's something we all experience, it's part of our human nature, and that's because our brains evolved to be able to detect danger and to avoid harm. and that's -- you know, it's so fundamental that we have circuits in the brain, and as you say, using brain imaging we can now look at those circuits in action. what happens when somebody has...