just because you don't think about it doesn't mean your brain isn't calculating it. virtually every movement your body makes obeys the laws of gravity, if it didn't, you would not be able to move with any accuracy.

what you call your mind is your idea about yourself, and maybe, peripherally, you grasp that it is your attention. computers have attention too, though their circuits are simpler and less smooshy. in a computer system the focus of attention is in a register called the 'program counter' which tells it where to get its next instruction from. This instruction could be part of a string that forms the function 'measure the temperature' or 'copy the input from a camera buffer into a file on disk'. It is still attention. Attention, aka consciousness, is simply what your mind's scanners are focusing on. In the human brain this focus can actually be seen by special machines that show it as an area of increased electrical activity. our brains don't have only one centre of focus, just as modern computers no longer do either. the video processor has its own focus of attention, the cpu has one, the chip that shuffles memory in and out of the ram chips, from the hard drives, pci slots and so forth, it has a focus of attention also.

it's absurd nonsense to say that this does not exist somewhere. it exists inside your head, and i know it does, and anyone can see it does, because if you chopped off your head, it would stop happening.