David: By what definition are they not immaterial. Can you touch a thought?-> Romansh: As much as I can touch light. In fact "touch" is short hand for how fields interact. Are you saying fields don't interact in your brain? -Yes they do. So?-> > > > David: What fidelity more than regions? Yes, a very crude proxy. -> And that makes it even more amazing that we can get anything from an fMRI.-We are getting regions. Not amazing. > > > > > > Romansh: So what evidence would persuade [you] that consciousness is material? > > > > David: Please tell me.-> Romansh: Actually I meant to ask you.-Now concept ping pong? I have no evidence that consciousness is material, nor do I expect any. Like I suggested, try Nagel.