This Edition has 50% more content than the original and lots of it is way more interesting. The vast majority of it is still a list of symptoms. It has others' testimonies as well. I have had a great many severe, schizophrenic experiences over 20 years. It's interesting because I'm very smart which goes along well with it, I remember them well when you are supposed to remember them, and it's like having more than two brains because you've got your consciousness, your made up one, and the union of the two.