Behavioral and Brain Sciences



Continuing Commentary

The common structure is the affordance in the ecology


Paul J. Treffner a1
a1 School of Physiotherapy and Exercise Science, Griffith University, Gold Coast PMB 50, QLD 9726 Australia p.treffner@mailbox.gu.edu.au www.gu.edu.au/school/pes/frameset5.html

Abstract

Millikan's discussion of substance concepts in terms of their information-gathering role ignores the analyses of information-based perception and action developed within the tradition of ecological psychology. Her introduction and use without definition of key Gibsonian terms such as “affordance” and “direct perception” leaves those of us investigating such concepts uncertain of the extent to which she appreciates their theoretical importance. Due recognition of the realist account of categorical perception developed by J. J. Gibson would provide mutual benefit to modern externalist philosophy as well as to experimental psychology and to those investigating the ecological approach to perception–action.



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