Cognitive Science. – 1998. – № 22(2). – P. 133-187.
Conceptual integration- "blending" - is a general cognitive operation on a par with analogy, recursion, mental modeling, conceptual categorization, and framing. It serves a variety of cognitive purposes. In blending, structure from input mental spaces is projected to a separate, blended" mental space. Blending operates according to a set of uniform structural and dynamic principles. It additionally observes a set of optimality principles.