Found: The Brain's Own GPS

摘要

Somehow, we find our way in the world - but how we do it has remained a mystery. Nearly a decade ago, researchers discovered that rodents rely on navigational neurons called grid cells. As the animal moves, different subpopu-lations of these cells become active depending on distance and direction, creating an internal map of its trajectory. In 2013, neuroscientists finally found similar cells in humans.