August 18, 2014 | Pippa

It's been a long time since I did sums by counting on my fingers. What changed so I could do them in my head?

Neuroscientists have worked out that a bit of the brain called the hippocampus changes as you do more sums. As you get older you start to memorise simple sums and the hippocampus, which plays a big role in memory, changes to enable you to do maths in your head.

The study involved scanning the brains of children, teenagers and adults to see how they changed.

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Child counting with their fingers

Our brains gradually change as we get older, enabling us to move from counting on our fingers to sums in our heads.

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Image: Flickr/ckmck

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