Artificial intelligence (AI) joins forces with brain research, cognitive psychology, and linguistics to probe the nature of intelligeice. It is asserted that the current AI emphasis on representation of knowledge will be augmented by increasing attention to cooperative computation and learning. AI also contributes to a man-machine symbiosis: providing specialized packets of intelligence to augment our own. As we augment our intelligence with our machines, building on current success with robotics, scene analysis, language understanding, and expert systems, we must better understand our own intelligence to enable the construction of high-bandwidth man–machine interfaces. This, too, is a form of cooperative computation.