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::" We have no idea how consciousness emerges from the physical activity of the brain and we do not know whether consciousness can emerge from non-biological systems, such as computers ... At this point the reader will expect to find a careful and precise definition of consciousness.
You will be disappointed.
Consciousness has not yet become a scientific term that can be defined in this way.
Currently we all use the term consciousness in many different and often ambiguous ways.
Precise definitions of different aspects of consciousness will emerge ... but to make precise definitions at this stage is premature.

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