Abstract
A rationale for a multileveled description of states of consciousness is presented, as a continuation of an integrated model of the main states of consciousness. The previous model described and distinguished four main states of consciousness: ordinary waking states of consciousness, differentiated waking states of consciousness, REM sleep, and non-REM sleep. These are considered now in a horizontal level. A vertical, developmental dimension is introduced. Five levels: instinctive, reflexively-conditioned, prelogical, logical, and supralogical are described specifically for each level of experiencing of consciousness in terms of anatomical localization, typical mechanisms of cognition, emotion, and decision making. It is suggested that different psychological approaches focus on different levels. This model enables an integration of some contemporary theories of altered states of consciousness, including sleep theories.
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