学術雑誌論文 Acquisition and Limited Transfer of Numerical Discrimination of Object Stimuli in Rats

Kamijo, Makiko  ,  Taniuchi, Tohru

65 ( 2 )  , pp.289 - 300 , 2015-06-01 , Springer International Publishing
ISSN:0033-2933
NII書誌ID(NCID):AA00345267
内容記述
A series of experiments explored rats’ ability to learn abstract ordinal positions of object stimuli in order to investigate their numerical competence. Three of four Long-Evans rats, trained to respond to the third of six objects in a line, reliably learned this task in three different trials with three different stimulus objects. As the objects’ spatial location was changed trial-by-trial, the spatial position of stimuli could not serve as an effective discriminative cue. In the first transfer test, trials with three novel objects were used as probe tests to the original training. In the second test, rats were trained with all six objects, and then given three novel test stimuli. During the transfer test period, rats maintained good performance with training stimuli, whereas most responses to probe tests were at chance level, showing limited transfer of counting behavior to novel stimuli. Results are discussed in terms of stimulus-specific learning and domain-restricted concept learning. © 2014, Association for Behavior Analysis International.
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http://dspace.lib.kanazawa-u.ac.jp/dspace/bitstream/2297/42406/1/LI-PR-TANIUCHI-T-289.pdf

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