Study: Does IQ drop as people age?

U.S. scientists are attempting to determine if perception deficits that accompany aging in many people are responsible for declines in IQ scores.

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<p><a href="http://www.physorg.com/news65722335.html">Study: Does IQ drop as people age?</a></p> <p>U.S. scientists are attempting to determine if perception deficits that accompany aging in many people are responsible for declines in IQ scores.</p>