"Can mental training improve your intelligence? No video game or mental puzzle has convincingly been shown to work. But now a group of neuropsychologists claims it has found a task that can add points to a person's IQ - and the harder you train, they say, the more you gain.
So-called "fluid intelligence", or Gf, is the ability to reason, solve new problems and think in the abstract. It correlates with professional and educational success and it appears to be largely genetic.
Past attempts to boost Gf have suggested that, although by training you can achieve great gains on the specific training task itself, those gains don't transfer to other tasks.
Now Susanne Jaeggi at the University of Michigan at Ann Arbor, US, and her colleagues say that is not true."
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