Behavioral and Brain Sciences

Short Communication

Opposites detract: Why rules and similarity should not be viewed as opposite ends of a continuum

Gary Marcus a1
a1 Department of Psychology, New York University, New York, NY 10012


Criteria that aim to dichotomize cognition into rules and similarity are destined to fail because rules and similarity are not in genuine conflict. It is possible for a given cognitive domain to exploit rules without similarity, similarity without rules, or both (rules and similarity) at the same time.