The geometric module in the rat: independence of shape and feature learning in a food finding task |
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| Authors: | Patricia L Wall Leigh C P Botly Christina K Black Sara J Shettleworth |
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| Institution: | (1) Department of Psychology and B.R.A.I.N. Centre for Neuroscience, University of Trieste, Via S. Anastasio 12, 34123 Trieste, Italy;(2) Center for Mind/Brain Sciences, University of Trento, Corso Bettini 31, 38068 Rovereto, Italy |
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| Abstract: | Rats found food in a rectangular enclosure in three experiments testing how learning about a distinctive feature near a goal
interacts with learning based on the geometry of an enclosure. Rats trained to follow a feature in square and triangular enclosures
and to use geometry in the rectangle followed the feature when it was in the rectangle (Experiment 1). Rats trained with the
feature in a geometrically consistent corner of the rectangle learned about both geometry and the feature (Experiment 2).
Training with the feature in the square did not block learning of geometry when both predicted the location of food in the
rectangle (Experiment 3). The “geometric module” (Cheng, 1986) may have a special status in spatial learning. |
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