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speed in brain have a close relationship with IQ scores. processing speed depends on neurological efficiency and maturation, which are both genetically controlled. children with certain genetic defects have, on average, significantly lower IQ scores than their non disabled peers,according to the studies, provides enough evidence of heredity’s influence. and this does not mean that, parent with high IQ, have the most intelligent brains, infarct average parents bear the most intelligent kids.
different sources have proved past experiences have a significant impact on IQ scores. Studies of the effects of nutrition, toxic substances, home environment, early intervention, and formal schooling provide enough support for the influence of environment and the conditions experienced. Also, a steady increase in performance on intelligence tests over the past several decades—known as the Flynn effect—is almost certainly attributable to environmental factors.
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Oct 1st, 2015
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