The interview refers to a great YouTube clip that supposedly lots of people have seen, but I hadn't, so maybe you haven't. Here is is:
There's also a nice, long passage from the book at the "Fresh Air" link. Excerpt:
The harder I tried to concentrate, the more fleeting my ideas seemed to be. Instead of finding answers and information, I met a growing sense of peace. As the language centers in my left hemisphere grew increasingly silent, my consciousness soared into an all-knowingness, a "being at one" with the universe, if you will. In a compelling sort of way, it felt like the good road home and I liked it....
IN THE COMMENTS: Some serious questions about Taylor's brain science shake my faith in NPR.