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Are our brains as efficient as can be?

Asked by doggywuv (1041points) October 1st, 2009

I’m hoping someone with knowledge in computer science and neurology and such fields can answer my question – but I appreciate other helpful answers too!

Can our intelligence be improved by physically modifying our brains without increasing their size? For example, can we enable our brains to grow more neurons that are smaller and closer together, making it more dense? Can we grow brains out of some non-organic material (like what computers use) that could be better? Can our brains be made faster by changing the chemistry of it?

What I’m asking is, are our brains as good/efficient as possible for their size, or can they be improved (while still keeping the same size)?

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