https://www.nytimes.com/2017/05/22/science/52-genes-human-intelligence.html?_r=0

In ‘Enormous Success,’ Scientists Tie 52 Genes to Human Intelligence

Blood samples from some participants in a new study of genes linked to intelligence were held at the U.K. Biobank, above. CreditWellcome Trust

In a significant advance in the study of mental ability, a team of European and American scientists announced on Monday that they had identified 52 genes linked to intelligence in nearly 80,000 people.

These genes do not determine intelligence, however. Their combined influence is minuscule, the researchers said, suggesting that thousands more are likely to be involved and still await discovery. Just as important, intelligence is profoundly shaped by the environment.

Still, the findings could make it possible to begin new experiments into the biological basis of reasoning and

problem-solving, experts said. They could even help researchers determine which interventions would be most effective for children struggling to learn.

“This represents an enormous success,” said Paige Harden, a psychologist at the University of Texas, who was not involved in the study.

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