Brain expansion: different theories about rapid expansion (Evolution)

by David Turell @, Sunday, August 23, 2020, 18:14 (399 days ago) @ dhw

DAVID: I've answered before. I've designed and know all the considerations are so convoluted, they require direct thought, not a massive compendium of instructions.

dhw: According to you, all undabbled evolutionary changes, not to mention lifestyles, strategies and natural wonders, from bacteria through to humans, were run by a 3.8-billion-year “compendium of instructions”. And according to you, the sapiens brain’s convolutions of complexification, minor enlargements, reshaping and shrinkage proceeded independently of your God’s involvement. Why do you think early brain expansions were more convoluted than all these processes and therefore required a divine dabble?

The bold is not my opinion. God was directly involved in giving the sapiens brain a highly specific complexification ability. All previous brains undoubtedly had a similar process, although at a simpler level of complexity because those brains were less complex. All brain expansions were designed by God who speciates all.

Under: Brain expansion:our brain's unique differences from apes

DAVID: You always misinterpret my dualism. The soul can only achieve complex thought if the brain it is given by God allows that degree of complexity.

dhw: Dealt with over and over again. In the modern brain, if we reject materialism, it is the thoughts from the dualist’s soul that CAUSE complexifications, reshaping, shrinkage and even minor expansions, i.e. the brain RESPONDS to the soul’s new ideas and requirements and does not change in anticipation of them. There is no reason to suppose that the process was reversed in the past for major expansions.

I'll stick with my viewpoint, not yours. The complexification caused by the soul'd use is because God gave the brain the ability to complexify as needed/used by the soul. And all of that is because God enlarged the sapiens brain in anticipation of our soul's uses/needs.

DAVID: Read the new entry on language. The anatomic capacities/attributes of body and brain allowed us to develop language on our own but only because of the capacities we received given by God.

DAVID: A totally different view completely opposing Chomsky:

dhw: Thank you for this. The article fits in perfectly with my own opposition to Chomsky repeated several times on this forum, the latest being on August 6 under “Human evolution; Egnor on Chomsky”. As for your own comment, “We were given the physical attributes to develop language without instinct”, my proposal as above is that we developed the physical attributes as a result of the effort to meet new requirements. The article suggests that “the most profound spur on the road to speech would have been the development of our instinct for cooperation”, which makes perfect sense, since cooperation requires communication.

Fully anticipated. I knew your views.


DAVID: You have faith in design. Remember!

dhw: I would not call it faith. I have three separate theories concerning the origin of life’s complexities: 1) a designing God; 2) chance as the power that first assembled the intelligent mechanism which over billions of years has designed all of life’s complexities; 3) intelligence as an innate quality of materials (panpsychism) which eventually produced the mechanism that has designed all of life’s complexities. I do not have faith in any of these theories.

DAVID: But you've admitted design keeps you agnostic. Only a mind can design. Chance is a very weak choice, and as for panpsychism, it is a pitiful substitute for a thinking mind. What is its source? Magic?

dhw: We have been over this time and again. What is the source of the thinking mind you call God? Magic? Don’t say “first cause”. My other two theories are also “first cause”. And I have no faith in any of these three theories.

David: But you admit a first cause is necessary.

dhw: Why “admit”? I’ve never opposed the idea that there has to be a first cause.


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