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> Dhw: [i]This article makes me wonder if the current individual evolution of the brain does not mirror its historical evolution. Leaving aside the great divide between dualism and materialism, we have concepts requiring expression and the brain developing as the range of concepts expands. Currently these concepts are learned, but each one originally had to be invented. The implementation of each invention historically would have required new neurons and new connections, and now individually the learning does the same. Similarly, the embryo itself starts out as a throwback to our animal ancestry and then “evolves” into our current human form. (In passing, this can also be seen as a clear pointer to common descent.)[/i]
> 
> DAVID: [i]The brain is designed to provide these necessary areas to take over the jobs required by language: speech, writing, reading, typing, etc. The chimp does none of this, but has comparative areas they never put use, because they cannot. Our brain advances are not explained by chance evolution. We are obviously designed.[/i]
> 
> My post has nothing to do with chance versus design. I am pointing out the parallel between the development of the current individual brain and the historical development of the brain from pre-sapiens to sapiens. In each case the implementation of new concepts is what changes the structure. This can actually be observed today, and there is no reason to suppose that the same process did not take place in pre-humans.
> My “in passing” comment could be added to the discussion under “Innovation, Speciation”.