Wednesday, July 21, 2004
Bigger Brains
There's been long debate as to whether or not brain size is related to intelligence, between humans (it clearly is related on a gross, cross-species level). New research, however, indicates that it's not overall size, but the size of certain areas that's important. My neuroanatomy skills are not what they once were, but the areas in question look like they may include the dorsolateral prefrontal and (rostral?) prefrontal cortex, the striatum, and Broca's area. This is really interesting, though in a more nice-to-know way than anything having therapeutic potential.
Scary new fad potential: scanning kids' brains in place of preschool entrance exams!
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