There may be some descriptions on Art Janov's blog:

http://cigognenews.blogspot.com/

I just want to reiterate that I don't find his theory very coherent or well stated. Its just that, again, I have a strong intuitive sense that we have an evolutionarily derived capacity to heal from the types of experiences or 'primals' that he tries to elicit.So please don't come back and tell me how goofy his theory is - I know it already. I think you have to read him generously.