Hi Steven, I like both your review of the book and your interesting speculation on the neuroscience.  Here's the PDF of a book written by a neuroscientist, Dr. Mark Noble, on the neuroscience behind this approach of doing cognitive behaviour therapy, if you're interested.  Your review of this book was done so well that I didn't have to review it again, but could just link to it, and then riff on what I found particularly interesting for my own review of this same book.