Rats named Carmack and Romero are playing Doom

Modders love to mess with DOOM. If it has a screen and an interface you can bet someone is going to get it to run DOOM. Well now research is branching out to see who or what can play Doom! Via PCGamer:

The rodent VR setup has a polystyrene ball tracked with motion sensors, and the rat is suspended on top of this with a harness. There’s a curved PC monitor in front of it showing the game environment, and a little tube containing sugary water that the rat gets to sip when it’s doing the ‘right’ thing: training it to ‘walk’ via treats, positive reinforcement. The level it’s walking through is a custom Doom 2 map with an exit, long corridors, and a stationary imp that needs shooting.

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