Big brain evolution: changes in sapiens skull shape;addendum (Evolution)

by David Turell @, Thursday, March 08, 2018, 17:26 (965 days ago) @ dhw

DAVID: But we do know the areas of brain activity that control functions of the body! For example we know the motor area where every part of the body has its represented parts of the bodies muscles. […]

dhw: We know what does what in some areas, but we don’t know HOW! Explain to me HOW thought takes place, and HOW thought directs the materials of the brain.

That is the miraculous part of the consciousness God gave us. We know where issues are handled but not how thought is produced.

DAVID: In life we have to use the brain and its fairly specific areas. Brain, material; thoughts immaterial. Dualism in life. Dualism exists in two different circumstances.

dhw: Dualism does not exist in death! You don’t have a brain in death! It is the s/s/c, the THINKING you that exists in two different circumstances.

Correct. I mis-wrote it. s/s/c is in two circumstances.

DAVID: Once the cortex using the s/s/c conceives of a flint tip idea, which may involve complexification of the neuronal web and shrinkage of the cortex, implementation involves eye hand coordination with teaching the muscles and arm in hammering and shaping, a job which is controlled in the cerebellum. The cerebellum was enlarged to its present size back in Erectus times. No evidence for your theory.

dhw: So now you have the cortex responsible for conceptions and using the s/s/c! We know what implementation involves: namely, the brain giving material expression to the thought. So once again, please tell us what came up with the thought, and how instructions were passed on to the implementing sections of the brain. I have no idea why you think the cortex shrunk. On 6 March you told us: “I have shown you implementation occurs in areas that did not enlarge as the cortex did.” (My bold) Please clarify which areas of the pre-sapiens brain expanded and which did not.

The limbic area, the cerebellum, and the areas from the middle (motor strip) to the back where vision is handled were developed first. As pre-sapiens developed, the major growth in size was the frontal area, specifically with Erectus and later the pre-frontal cortex really exploded as we arrived.

DAVID: The s/s/c is the software for the material computer-like brain. They interface and work together as I generate thought in life. I sit here feeling my self generates the thoughts under my control. You keep separating s/s/c and brain. You can't. I am still at the point of I think therefore I am.

dhw: Yes, the immaterial s/s/c works together with the material brain, but they have different functions, and you are the one who separates them in NDEs, which are your evidence for DUALISM. The s/s/c and material body are TWO, not one, whereas materialists believe in ONE: namely there is no such thing as an immaterial self.


Dhw: So Einstein would still be a genius in an afterlife even without his prefrontal cortex.
DAVID: Of course, You’ve gotten my concept.

dhw: And so when you tell us that intelligence “springs from the s/s/c being able to use an advanced brain” you’ve forgotten your concept.

Not so. Only in life with a brain to use.

DAVID: I am a double dualist, in life and differently in death, as I've explained. I AM NOT A MATERIALIST, but I understand the brain has parts with differing functions, and that must be excepted as factual. After all, the brain is wet material and is responsive to our use as s/s/c's with its plasticity.

dhw: Of course the brain has parts with differing functions. But once again: there is no dualism in death. That is why NDEs are regarded as evidence that the soul thinks independently of the brain. If you insist that you cannot THINK without a material brain, you are a materialist. Currently you not a double dualist, you are a dualist/materialist.

The NDE shows the s/s/c can function without a brain IN death, not in life.

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