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If you understand why experience replay was necessary for DQN to learn Atari from pixels, you understand one of the things sleep is for.

Rats replay their day in their sleep. Wilson and McNaughton showed this in 1994. Place cells that fired in a specific sequence during waking maze exploration fired in the same sequence during subsequent slow-wave sleep, compressed in time. Foster and Wilson later showed reverse replay during quiet wakefulness right after rewarded experie…

May 13
at
1:22 PM
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