Sooner or later, I think it all comes down to this: Any way I have of dealing with anyone who thinks that mind is anything other than brain (or an emergent effect of brain or an epiphenomenon of brain, created by it for some evolutionarily advantageous reason) is nothing other than a more or less respectful, more or less jargon-filled way of saying:
“…AWWW….. isn’t ooo a cutie?? ‘ook at da liddle dualist! Yes, oo’s a cutie! ‘Es oo is…”
Seriously. Pinpoint damage to the brain causes pinpoint damage to the self — to language, to morality, even to the ability to recognize faces as faces instead of, for instance, hats. A stroke can cause you to no longer recognize that your leg belongs to you; Traumatic Brain Injury (TBI) can leave you with the belief that you are, in fact, dead.
Unless you want to go to a Spinozan or Leibowitzian level in believing that something coordinates the specific area of brain with a specific skill or trait – even though that area of the brain does not contain or cause it – because some kind of cosmic coordination is occuring…. The mind is spread throughout the brain, with different aspects of it located at different pinpoint areas of the brain.
And that’s just the 19th century version of the argument made based on evidence from unique cases of brain damage causing mind damage. We also have the post-1950’s version: activating a neuron in the brain from outside, with electrical stimulation, causes a specific memory or sensation to occur – the same one every time you touch the same neuron. That’s a rather high bar for a substance dualist to leap: every little bit of the mind has its own home in a corresponding little bit of brain, and activating that piece of brain electrically alters the “interior” experience of consciousness. I know, the sustance of mind is: electricity!
Seriously, people. Materialism, ok? Deal.
You cannot get a hall pass from the laws of physics.