Comment by tim333

I'm not sure the article really adds up. The hard problem of consciousness in a normal definition is:

>to explain how and why organisms have qualia or subjective experience. (from Wikipedia)

(or "why the brain’s behavior is accompanied by experience at all" in the article)

He then supposes this "assumes upfront that there exists a metaphysical gap between mind and body". But there probably isn't so he jumps to:

>So, there is no “hard problem of consciousness.”

But that doesn't explain how/why there are qualia and the like.

I personally think how/why qualia it a real hard question but scientifically tractable.

A little guessing. You can assume we evolved - much evidence - and so consciousness has survival / reproductive functionality. The brain has billions of sensory, memory and other neurons and they have to compress that data down to something a creature can act on - should it feed of run away etc. So conscious awareness is probably something like a situation summary you can act on.

One interesting thing is there is a lot of unconscious awareness and actions going on - when you walk across a room the nervous system has to process all sorts of stuff about your body position and coordinate dozens of muscles but you are normally not consciously aware of it, so presumably the conscious bit of you brain is some small portion linked to the thinking talking and remembering bits.

I think much of the subtlety of conscious experience is because there is a lot of unconscious things underlying it. You see say a red apple and it's linked to memories of apples, instincts for food, evolved associations with red, your mood and the like. It all gets reduced in something like a lossy compression to what you are aware of.