There is nothing we know more intimately than conscious experiences, but there is nothing more difficult to explain. Many have tried to explain it, but the explanations always seem to fall short of the mark. Consciousness is a very difficult aspect to understand and/or explain in life. There is no concrete definition of the term, but when it comes to defining consciousness, you either get it and understand what it is, or you don't. Otherwise, it might be a difficult concept to understand. Consciousness is both blatantly obvious and undeniably elusive. Integrated information theory states that consciousness corresponds to the capacity of an integrated information system. Information and experiences are the basis of consciousness. For the purposes of this article, we will define consciousness as an immediate, private experience of the individual, which occupies the present moment and manifests itself in many different forms. Additionally, “consciousness is defined differently among psychologists. No particular definition of consciousness stands out or is widely accepted within the field of psychology. However, for the purpose of briefly introducing and explaining a complex phenomenon like consciousness, it is the awareness of external events, internal sensations, the self, and thoughts about experiences. Let us understand that consciousness has no apparent location in space. It cannot be weighed, measured in length, weight or height. However, it involves all five senses at some point. "Functionalist theory of consciousness is the integrated information theory that states that the level of consciousness of a system at a given time depends on how many possible statements it has at that time and how ... middle of paper... ...described in different ways, ranging from any type of feeling to experiences of imagining, thinking, remembering or even questioning things The brain needs. 'information to process things. Without this information, we would be a computer without a hard drive. Our brain uses the information received to produce a feeling or consciousness to make a decision. ).Towards a neurobiological theory of consciousness. Sem. Neuroscience., 2, 263-275Crick, F., Koch, C. (1998). Edelaman, G. M. (1998). Consciousness and complexity, 282, 1846-1851. BMC Neurosci 5, 42. Tononi, G., Koch, C. (2008). The neural correlates of consciousness: an update. Anne. NY Acad. Sci., 1124, 239-261