When you say a computer though you mean a PC? When I say computer I mean formalised definition of Turing Machine which is based on person.
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I don't have angle: was trying to clarify/extract what you meant by computation. Interested in intuitions of someone that knows brains & CS.
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You could have asked. I think computation is literally something the brain does. That is why I think it's pointless to argue if the brain is
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a computer because I do not think such questions make sense. A computer is an abstract system that can compute. And a brain is a specific
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instance. Anything the brain does is a computation. I am into broad definitions.
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How broad is broad? Is anything a physical process does a computation (just many of them, like the pen on table, being boring computations)?
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I don't think so, but if you want to be like Searle I'd get exhausted and just say OK after a few "pen is computer" examples.

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I did say anything the brain does — not anything a pen does. So broad but obviously limited.
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Now being pedantic: what if you cut my brain out and put it on table? :P Just trying to get you to be a bit more rigorous with definitions.
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