States of consciousness psychologists mean a pattern of subjective experience, a way of experiencing internal and external events. Altered state of consciousness - variation from the normal waking state. The moment-to-moment awareness of oneself and the environment. Self-reflective and central to the sense of self. Intimately connected with the process of selective attention. Selective attention focuses conscious awareness on some stimuli to the exclusion of others. Offer the most direct insight into a person"s subjective experiences. Establishes the correspondence between bodily states and mental processes. Objective but cannot tell us what a person is experiencing subjectively. Objective but we still must infer the person"s state of mind. The human mind consists of 3 levels of awareness: Conscious mind contains thoughts, perceptions, and other mental events of which we are currently aware. Preconscious mind events are outside current awareness, but can easily be recalled under certain conditions. Unconscious mind events cannot be brought into conscious awareness under ordinary circumstances.