28 March 2011

Enlightening Video on Nerves into Brains


Starting with how neuroscientists mapped the brains of roundworms, the video moves ahead to the 3D mapping of a mouse retina and visual cortex. Finishing with the human brain connectome project, the video presents a useful introduction to how nerves fit together to make brains, for the curious.

Having a detailed 3D image of the static brain is just the beginning, of course. What you need is a dynamic 3D image of brain structure at all scales, superimposed by dynamic electromagnetic and blood flow data. In addition one would need dynamic detail at the molecular level for arterial, venous, lymphatic, CSF, intracellular and extracellular fluids and structures of the brain. Finally, one would need to know what was happening to the individual in real time -- both inside the body and outside the body.

At that point, one might begin to understand what was happening in the brain -- and perhaps take educated guesses about the mind. First person reports from the subject herself could refine one's approach.

From that preliminary position, you just take it from there, like in a jazz improvisation.

Video H/T neuropsychological.blogspot.com

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