I've read about neuroscience and listen to talks like this one Juan Enriquez: Will our kids be a different species, I'm starting to realize that humans are not all the same, and are instead quite different.
My question is: how "different" are humans from each other from a point of view of neuroscience and neurobiology?
One of the talks at TED.com gave a number that Homo Sapiens is 0.004% different from Neanderthal genetically. Another example given that olympic powerlifters have a certain genetic marker that the general population might not have.
To refine the question: just how different from the perspective of white matter tract anatomy or the distribution of receptors within our neuronal populations are humans of the same haplogroup from one another?