Modern psychology seeks to establish a base line set of rules that apply to all individuals. There are two fundamental problems with that idea. First, the "rules" of psychology change and are not fixed across all individuals. What for one is a psycotic break is, under other circumstances or for another individual, a religious experience. Whole cultures have been destroyed because of "western chemo-centrism" that prevailed during the majority of the 20th century and psychologists that believed that the elements of their cultural ethic or religion represented abnormal psycology when seen in the light of modern society. Psychology isn't different from on individual to another, the rules, the structure itself is different. Its not one kind of music compaired to another, its music compaired to accounting. Secondly, reality is mutable. No matter how solid and unchanging physical reality may seem it isn't. We as individuals affect the reality that we experience, self-fullfilling prophecy. No matter what mechinism that you are willing to allow for this process the effect is the same. With all the new discoveries in the realms of quantum physics the assertion that reality is a fixed and immutable phenomenom is becoming less and less credible. Thought is not, as current held, a symtomatic by-product of brain function. Brain function is a by-product of thought. "You" and "I" are not just another factory model human, one each. We just look alike.