Evolution and humans: big brain size or use (Evolution)

by dhw, Saturday, May 13, 2017, 09:35 (1302 days ago) @ David Turell

DAVID: You are forgetting that I view the brain as a receiver of consciousness. The brain must be of a certain size and complexity before it experiences full consciousness.

dhw: Of course I am not forgetting your view. That is my point. A receiver does not produce. Dualism argues that consciousness is not the product of the brain, which is why you are able to believe that your consciousness can survive the death of your brain (as seems to be confirmed by NDE experiences). This can only mean that the brain develops in response to consciousness, not the other way round. I am not taking sides here. I am pointing out what seems to me an inconsistency in your beliefs.

DAVID: Is a newborn fully conscious. Not in an adult sense. Full consciousness develops due to the plasticity of the brain to enlarge and develop the complexity it needs for a full reception of consciousness. I view H. habilis to have a crystal radio set, H. erectus to have an AM radio, Neanderthal to have an FM set, and we've got television, as an example of the receiver concept.

How can consciousness develop because the brain becomes big enough to receive it? That is like saying that if you buy a bigger bucket, it will cause more rain to fall so that the rain can fill the bucket. I just cannot see the logic in your argument that while the receiver does not produce consciousness, and consciousness can exist independently of the receiver, the receiver has to develop before consciousness can develop. At least the materialist view is consistent: consciousness is the product of the brain and ceases when the brain dies. I repeat, I am not taking sides (and indeed some time ago, I offered a possible reconciliation between the two schools of thought), but you appear to be taking both sides at once.

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