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Getting real about invariants

Published online by Cambridge University Press:  30 October 2001

Alan Costall ,
Giulia Parovel  and
Michele Sinico
Alan Costall
Affiliation:
Department of Psychology, University of Portsmouth, Portsmouth P01 2DY, United KingdomAlan.costall@port.ac.uk www.port.ac.uk/department/psychology/staff/alan.html
Giulia Parovel
Affiliation:
Department of General Psychology, University of Padua, Padua 35100, Italyparovel@psy.unipd.itsinico@psy.unipd.it
Michele Sinico
Affiliation:
Department of General Psychology, University of Padua, Padua 35100, Italyparovel@psy.unipd.itsinico@psy.unipd.it
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Abstract

Stoffregen & Bardy argue that unimodal invariants do not exist, and that only “amodal” invariants are possible. But they confuse two separate issues. Amodal invariants, we argue, do indeed exist to specify features of the environment, but not even an amodal invariant, in isolation, could specify their “presence” or “reality.”

Type
Brief Report
Information
Behavioral and Brain Sciences , Volume 24 , Issue 2 , April 2001 , pp. 219 - 220
Copyright
© 2001 Cambridge University Press

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