Real live mouse navigates Quake 2

Scientists strap mouse to trackball-like contraption to study its neurons. The first virtual maze? Derived from a Quake 2 level.

Neuroscientists at Princeton University created a new way to study the neurons of the classic mouse-in-a-maze: strap it to a suspended ball and have it run through a virtual maze. That first virtual maze? Derived from a Quake 2 level.

Apparently it's difficult to control and study the neurons of a mouse when it's physically moving, and this method makes that easier. The ball is suspended on a jet of air, and the mouse is strapped in place with a collar on top of it (like a giant trackball, sort of) while running on a spherical treadmill.

Given that I don't understand psychology at all, or even totally know what a neuron is, I'm going to go ahead and assume this is an elaborate ruse to get a mouse to play Quake 2. The researchers detail their findings in the latest issue of the journal Nature. Well played, scientists.

This story originally appeared on Gizmodo.

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