Training 'greeble' experts: a framework for studying expert object recognition processes.

Gauthier I, Williams P, Tarr MJ, Tanaka J
Vision Res. 1998 38 (15-16): 2401-28

PMID: 9798007 · DOI:10.1016/s0042-6989(97)00442-2

Twelve participants were trained to be experts at identifying a set of 'Greebles', novel objects that, like faces, all share a common spatial configuration. Tests comparing expert with novice performance revealed: (1) a surprising mix of generalizability and specificity in expert object recognition processes; and (2) that expertise is a multi-faceted phenomenon, neither adequately described by a single term nor adequately assessed by a single task. Greeble recognition by a simple neural-network model is also evaluated, and the model is found to account surprisingly well for both generalization and individuation using a single set of processes and representations.

MeSH Terms (7)

Computer Simulation Discrimination, Psychological Form Perception Humans Learning Memory Reaction Time

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