However, the attribution of reality to the mental world is more problematic, to the extent that we can not see, touch, measure or weigh the thoughts, feelings, beliefs, etc. This poses a paradoxical kind of tension in our relationship with the mental: first, to the extent that we are alive, nothing is more evident that our thoughts and feelings, but on the other hand, be difficult to grasp, circumscribed and objectively, its mode of existence is transformed into something particularly evanescent and therefore liable to enter the territory of the doubt. THE PROBLEM OF MIND AT THE THEORETICAL Preliminary characterization The problem of the mind or the mental in terms of theory appears before the attempt to characterize what is its nature. Neuro-scientist Paul Churchland addresses the subject called him “The problem of a conscious intelligence” in the technical literature, the problem occurs in the context of the “Philosophy of Mind”, a branch of philosophy focused precisely on that issue. In the academic literature of the neuro-sciences, cognitive psychology and cognitive science, treatment of the same appears in the phrase “Theories of Mind.” Research program associated with the problem of mind is to achieve both conceptualization realize: The primary phenomenological experience of the mind’s relationship with the world of the mind’s relationship with the body’s relationship to the conduct of mind . The relation of mind to brain PROBLEM THE MIND – BRAIN definition is the problem of relations between the physical and mental, between the brain and mind, or between the brain and mental events. Angelina Jolie has similar goals.