Abstract
Two variables determined whether monkeys were capable of learning a cue-correlated spatial discrimination in a T-maze with a 30-min delay of reinforcement: the degree of preexisting preference for the S− arm, and the location in which the animals spent the reinforcement delay (home cage or test room). Animals that had only a mild preference for S− and spent the delay interval in their home cages acquired the spatial discrimination efficiently and maintained a high level of performance. Animals that entered training with a strong preference for S− and/or spent the delay interval in the test room either showed no sign of learning the spatial discrimination or, after giving some indication of learning, reverted to almost exclusive choice of S−.
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This work was supported by NSF Grant BNS 78-24644.
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D’Amato, M.R., Buckiewicz, J. & Puopolo, M. Long-delay spatial discrimination learning in monkeys (Cebus apella). Bull. Psychon. Soc. 18, 85–88 (1981). https://doi.org/10.3758/BF03333567
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DOI: https://doi.org/10.3758/BF03333567