WASHINGTON: Harvard researchers have debunked earlier studies that linked specific genes to intelligence.
For decades, scientists have understood that there is a genetic component to intelligence, but a new Harvard study has found that most of the genes thought to be linked to intelligence are probably not in fact related to it.
The study also claimed that identifying intelligence's specific genetic roots might still be a long way off.
A team of researchers, led by David I. Laibson, the Robert I. Goldman Professor of Economics, and Christopher F. Chabris , PhD, Assistant Professor of Psychology at Union College, examined a dozen genes using large data sets that included both intelligence testing and genetic data.
They found that, in nearly every case, the hypothesized genetic pathway failed to replicate. In other words, intelligence could not be linked to the specific genes that were tested.
Intelligence not related to specific genes as thought
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