[direwolf20]

There was once a neural network that used dreaming phases for regularisation. It would run in reverse on random data and whatever activated was down–weighted.

[ericdfoley]

That's the wake sleep algorithm for undirected graphical models.

Hinton had a course on Coursera around 2015 that covered a lot of pre NN deep learning. Sadly I don't think it's up anymore.

[petethomas]

There is this with a 2012 date:

https://www.youtube.com/playlist?list=PLoRl3Ht4JOcdU872GhiYW...