David Really? they don't say much, and those thoughts are still immaterial. See below: > romansh: Yes really ... and I don't need to say much. > No thoughts are not immaterial.-By what definition are they not immaterial. Can you touch a thought?-> Romansh: Actually there is a bit more fidelity than "regions". What we have learned is that blood flow patterns can be a crude proxy for the brain function that humans describe as consciousness (at least the visual). -What fidelity more than regions? Yes, a very crude proxy. > > Romansh: So what evidence would persuade that consciousness is material?-Please tell me.