Presented is experimental evidence that humans develop strong preferences for objects that become familiar through repeated exposure, even when the exposures are so degraded that they cannot be discriminated as stimuli previously seen. Implications are made regarding other studies where affective discriminations are made with very little stimulus…

Traces the history and function of State, Operator, And Result (SOAR), a general-purpose artificial intelligence program for solving problems. The SOAR can "chunk" the result of a subgoal and learn from previous experiences. The SOAR could be applied to various expert systems. (YP)