October 7, 2014 | Pippa

How do I know where I am? How did I know how to get here? These are questions that have puzzled neuroscientists for years.

The scientists who discovered the answer have just won the Nobel Prize in Physiology or Medicine. Their amazing work located exactly where the brain's 'inner map' is and how it works. The brain has 'place cells' that act as an internal map and 'grid cells' that act like longitude and latitude, enabling us to navigate and judge distance.

The discovery has implications for understanding why people with Alzheimer's forget their surroundings.

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maze

This breakthrough involved experiments where rats had their brain waves measured while in mazes.

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Image: Flickr/mecookie

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