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On learning and shift (in)variance of pattern recognition across the visual field

Published online by Cambridge University Press:  01 December 1997

Martin Jüttner
Affiliation:
Institut für Medizinische Psychologie, Universität München, D-80336 Munich, [email protected]

Abstract

Ballard et al.'s principle of deictic coding as exemplified in the analysis of fixation patterns relies on a functional dichotomy between foveal and extrafoveal vision based on the well-known dependency of spatial resolution on eccentricity. Experimental evidence suggests that for processes of pattern learning and recognition such a dichotomy may be less warranted because its manifestation depends on the learning state of the observer. This finding calls for an explicit consideration of learning mechanisms within deictic coding schemes.

Type
Open Peer Commentary
Copyright
© 1997 Cambridge University Press

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