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Metric assumptions are neither necessary nor sufficient to describe similarities

Published online by Cambridge University Press:  01 August 1998

Robert A. M. Gregson
Robert A. M. Gregson
Affiliation:
Division of Psychology, School of Life Sciences, Australian National University, Canberra ACT 0200, [email protected]
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Abstract

Alternative models of similarity judgments that do not rest on metric space assumptions are known to be better descriptions of actual human behaviour but are ignored by Edelman. The internal spaces he postulates are a convenient fiction for artificial intelligence, but not compatible with what is now known about psychophysics at both behavioural and neurological levels of perceptual processing.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 21 , Issue 4 , August 1998 , pp. 473
Copyright
© 1998 Cambridge University Press

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