I don't know if it can in the traditional sense of back propagation. I think that Hebbian Learning is going to make a comeback at some point and time which wil

I don't know if it can in the traditional sense of back propagation. I think that Hebbian Learning is going to make a comeback at some point and time which will be used to connect static subgraphs to to other subgraphs subgraphs, which can be trained either separately or on the fly.