The Material mind

Is there beyond of our body the thing that does certain deed for us? This is a question that has a long antecedent in the history of science and philosophy. Spirit, soul, mind, brain etc are answers that have been put to this question. As for, what is their nature? Is it a problem that has been always discussed? Nowadays, a part of philosophy that studies this problem is called "Philosophy of Mind". Although it is not really a new matter in philosophy, it has not a long time as a distinct part of philosophy. As for, what is stressing at present is the material statement of the discussed matter. The three theories of behaviorism, mind- brain identity and functionalism are considerable in this area. This article is seeking to state these theories and criticize them.