Frederic Peters

Consciousness is best understood in context, as one element of an interactive waking state in which the greater part of cognitive processing takes place in a  nonconscious fashion. But if conscious and nonconscious processing are combined in the waking state, what distinguishes the former form the latter, what is consciousness, and what is its purpose? The answer to the second question depends crucially on our conclusion regarding the first. What is the property in virtue of which a state is conscious rather than nonconscious? In the following, it will be argued that of the answers most frequently proposed—intentionality, subjectivity, accessibility, reflexivity—only the final characteristic, reflexive, autonoetic awareness, is unique to the conscious state. Reflexivity can best be explained not as the product of a self-representational data structure, but as the expression of a recursive processing regime, in which cognition registers the properties of the processing state to a greater extent than properties of the content represented.  And the principal characteristic of a reflexive processing state is cognitive reflexivity or autonoetic awareness.

The equation of consciousness with qualia, of wakeful awareness with awareness-of-cognitive content (perceptions, conceptions, emotions), while intuitively attractive, and formally referenced as the primary index of consciousness by many philosophers, psychologists, and neuroscientists, nevertheless has significant difficulties specifying precisely what it is that distinguishes conscious from non-conscious cognition. Moreover, there is a surprisingly robust congruence of evidence to the contrary, supporting the notion that consciousness, as a state of reflexive awareness, is distinct from the content one is aware of, that this awareness/content amalgam is actually the product of an incorporation process of various intermittent, and constantly varying streams of content onto a pre-existing reflexively conscious state which is not reliant on these streams for its constitution as a reflexive state. Consciousness, the evidence strongly indicates, is not qualia, not the awareness of this or that perceptual, conceptual or emotional content, but reflexive, autonoetic awareness as such.

Within the philosophy of mind, consciousness is currently understood as the expression of one or other cognitive modality, either intentionality (representation per se), transparency (immediacy of cognitive content consequent upon the unawareness of underlying representational processes) , subjectivity (first-person perspective) or reflexivity (autonoetic awareness). However, neither intentionality, subjectivity nor transparency adequately distinguishes conscious from nonconscious cognition. Consequently, the only genuine index or defining characteristic of consciousness is reflexivity, the capacity for autonoetic or self-referring, self-monitoring awareness. But the identification of reflexivity as the principal index of consciousness raises a major challenge in relation to the cognitive mechanism responsible for operationalizing such a reflexive state. Current reliance by higher-order and intrinsic self-representational theories on self-representing data structures to achieve reflexive self-awareness is highly problematic, suggesting a solution in terms of a self-referential processing regime.

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