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The Fifth Annual Theoretical Issues in Conceptual Information Processing Workshop took place in Washington, D.C. in June 1987. About 100 participants gathered to hear several invited talks and panels discussing the issues relating to artificial intelligence and cognitive science. In 1981, Bob Abelson delivered a keynote speech to the Cognitive Science Society. The scruffies preferred to build systems and experiment with new ideas. The neats tended toward logic, the scruffies toward psychology; the neats worked with paper and pencil, the scruffies with computers; the neats worried about soundness and consistency, the scruffies leaned toward nonlogical representation schemes and used terms such as psychological validity; the neats tended to congregate on the West Coast, the scruffies on the East.