I like to know the differences in the objectives of those fields.
closed as too broad by Chuck Sherrington, Artem Kaznatcheev, Keegan Keplinger, asheeshr, user3832 Jan 6 '14 at 10:41
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An AGI is a man-made machine that can learn, adapt, think, plan, predict, etc.
Cognitive science is the study of how our "biological machines" do those same processes.