The roller-coaster teenage years can take IQs along for the ride. A person’s IQ can nosedive and climb sky-high during adolescence, while corresponding brain regions wax and wane in bulk, researchers report online October 19 in Nature.
The results suggest that the IQ number given to a child is not immutable, as many researchers believe, says neuroscientist Richard Haier of the University of California, Irvine.
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