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Artificial Intelligence in Health                                               Machine consciousness



            moment-to-moment awareness we experience in daily    Phenomenal consciousness refers to the subjective
            life when making rapid decisions. In humans, despite a   experience itself – the raw feel of sensations and thoughts,
            flurry of unconscious sensory and cognitive processing,   often described as “what it is like” to be in a given mental
            consciousness provides a singular, integrated vantage   state. It encompasses the qualitative, first-person aspects of
            point (the feeling of “being aware”) that helps us adaptively   mind (sometimes called qualia), such as the redness of red
            navigate each moment. By mimicking this in machines –   or the pang of emotion. By contrast, access consciousness
            ensuring that an artificial agent has an integrating layer   denotes a mental state’s availability for use by the cognitive
            that monitors and directs sub-processes – their framework   system. A piece of information is “access conscious” if it
            aims to achieve a conscious-like functionality that   is widely broadcast within the brain (or system) such that
            could improve the system’s flexibility and robustness in   various processes (reasoning, memory,  decision-making,
            unpredictable environments. Notably, these authors regard   verbal report) can utilize it. In essence, access consciousness
            such architecture not just as an add-on to intelligence, but   concerns the functional role of conscious information –
            as essential for complex adaptive behavior: A  machine   how it is accessible and how it guides behavior – rather
            endowed  with  a  consciousness-like  integrative  function   than how it feels.
            might better handle novel situations by flexibly combining   This distinction has profound implications for artificial
            information from all its subsystems.               consciousness. Most neuroscience-inspired AI frameworks

              The above frameworks illustrate how insights from   implicitly aim at access consciousness – ensuring that
            neuroscience and cognitive psychology (such as the   an AI system possesses internal representations that are
            importance of  self-monitoring and global integration  of   globally available and can be used to organize behavior in
            information) are being translated into AI design. Each   an intelligent, context-sensitive way. For example, when
            approach stresses a different facet of natural consciousness:   Chatila et al. 79(p1)  focus on robots “knowing what they have
            From Levy’s broad pragmatism to Chatila’s self-reflective   learned” and reporting that knowledge, they are dealing
            knowledge, to Kinouchi’s global integration. The diversity   with  access  consciousness:  The  learned  information  is
            of these proposals also underscores that there is not   accessible for future decisions and self-report. Similarly,
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            yet a consensus on a single “blueprint” for artificial   Kinouchi and Mackin’s  integrative layer is designed to
            consciousness. Different  researchers prioritize different   collect distributed information and make it available to
            cognitive ingredients (self-awareness, learning, integration,   the whole system for coordinated adaptation – again, a
            etc.),  reflecting the  multifaceted nature  of consciousness   functional, access-oriented property.
            itself. This plurality suggests that the field is still in an   Phenomenal consciousness, however, is a much harder
            exploratory phase: Much like the blind men and the   issue. It asks whether the robot or AI actually has an inner
            elephant, each framework captures one aspect of the larger   life: Is there something that it is like to be that robot? Does
            concept. A key task for the research community moving   it feel anything when it integrates information or reports
            forward is to synthesize these insights and determine how   on  its  knowledge?  This  is  the  crux  of  the  hard problem
            they might fit together. For instance, one could ask whether   in the context of AI. Strong AI enthusiasts might argue
            a truly conscious machine would need to incorporate all of   that if we achieve a complete functional emulation of the
            these elements – a shared functional understanding, self-  brain’s processes (i.e., replicate access consciousness to a
            awareness, and global integrative capacity – or whether   high degree), then phenomenal experience might emerge
            any one of them might be sufficient on its own. Addressing   naturally. However, skeptics point out that no matter how
            such questions requires not only engineering advances   sophisticated a machine’s functional capabilities, this does
            but also deeper theoretical clarity, which brings us to the   not guarantee – or even necessarily imply – the presence
            distinction between different notions of consciousness and   of subjective experience.  A machine could conceivably
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            how they apply in artificial systems.              meet every external criterion for access consciousness – it
                                                               could introspect, reason about its own mental states, and
            4.3. Access versus phenomenal consciousness:       behave indistinguishably from a conscious being – yet still
            Functional versus experiential dimensions          lack any inner lights on. This skeptical view is epitomized
            In discussions of both human and machine consciousness,   by certain philosophical arguments (e.g., Searle’s Chinese
            it  is  crucial  to  distinguish  between  two  often-confused   Room or the notion of philosophical zombies) and has
            dimensions of conscious states: Phenomenal consciousness   been voiced in contemporary analyses that conclude
            and access consciousness.  This distinction, originally   robots are not – and perhaps cannot be – conscious in
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            articulated by Block,  has proven useful in framing debates   the phenomenal sense.  Thus, the phenomenal versus
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            about consciousness in artificial systems.         access distinction serves as a reminder that behavioral or
            Volume 2 Issue 3 (2025)                         29                               doi: 10.36922/aih.5690
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