Tag: brain size

Back to School Smarts and Genetics

If you want to stir up trouble, start talking about the role genetics plays in intelligence. First there’s the whole question of what you’re talking about: Is intelligence measured through mathematical skills, problem solving, perceiving emotions, or a raw score from an I.Q. test? Not to be glib but ...

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SNPWatch: Do These Genes Make My Brain Look Big?

If you have a big head, you may be subjected to a fair bit of teasing, but science may offer you some consolation. For instance, individuals with a smaller intracranial volume (the area within the skull) are at slightly higher risk for late-life dementia. In addition, a smaller hippocampus (a section of the ...

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