The role of extensional information in conceptual combination


In this study, we evaluated the role of extensional information in the representation of complex concepts. For 10 complex concepts, typicality was predicted using a traditional feature-based prototype model, an instantiation-based spatial exemplar model and an instantiation-based spatial prototype model. Results clearly indicated that the extension of a complex concept plays an important role in its representation, and little or no variance in the observed typicality gradient was accounted for exclusively by the prototype model.

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