Behavioral and Brain Sciences

Short Communication

Rule versus similarity: Different in processing mode, not in representations

Rolf Reber a1
a1 Department of Psychosocial Science, University of Bergen, N-5015 Bergen, Norway


Drawing on an example from artificial grammar learning, I present the case that similarity processes can be computationally identical to rules processes, but that participants in an artificial grammar learning experiment may use different processing modes to classify stimuli. The number of properties and other representational differences between rule and similarity processes are an accidental consequence of strategies used.