I think Chetan is on to an important point which is that goal-oriented/goal-seeking is a means of providing internal supervision for learning. Not only that, but goals effectively serve as filters for retaining important patterns, since patterns serving to achieve goals will be exercised more often. I've been working on incorporating goal-seeking into a neural network for a number of years, and was excited to come across the work being done with NuPIC that takes what I think is a related approach in many ways. My research is at tom.portegys.com/research.html if you are interested. Tom
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