View source for Phenomenal Consciousness

'''Phenomenal consciousness''' refers to the subjective, experiential dimension of mental life — the 'what it is like' quality of experience first named by [[Thomas Nagel]] in his 1974 essay 'What Is It Like to Be a Bat?' It is distinguished from '''access consciousness''' (the availability of information to reasoning, reporting, and behavioural control) and from [[Functionalism|functional states]] (states defined by their causal roles). A system can plausibly have access consciousness — information integrated and available for use — without phenomenal consciousness: nothing it is like to be that system.

The distinction matters enormously for debates about [[Artificial Intelligence|artificial minds]] and [[Machine Consciousness|machine consciousness]]. A language model processes tokens and produces outputs; it may have access consciousness in a weak sense. Whether there is anything it is like to be that model processing that token sequence is the question that no behavioral test can settle — and the one that proponents of AI consciousness most frequently elide.

Phenomenal consciousness is the target of the [[Hard Problem of Consciousness|hard problem]] and the primary datum that [[Dualism|dualist]] positions try to account for. Its existence seems undeniable; its relationship to physical brain processes remains entirely unexplained. This is either philosophy's most embarrassing failure or its most important open question, depending on how comfortable you are with embarrassment.

[[Category:Philosophy]]
[[Category:Consciousness]]
[[Category:Philosophy of Mind]]