Abstract
Four gorillas underwent a series of experiments on discrimination reversal (DR) problems. Upon achieving learning criterion, they were tested with various types of transfer conditions. The results suggested that during DR training the gorillas learned an abstract strategy. This acquired abstract concept was retained for at least 2.5 years. A further experiment showed that the gorillas’ long-term memory was not due to the specific stimuli used.
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We thank D. M. Rumbaugh for sending us the original acquisition data. His support during various phases of this study is acknowledged with deep appreciation.
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Patterson, T.L., Tzeng, O.J.L. Long-term memory for abstract concepts in the lowland gorilla (Gorilla g. Gorilla). Bull. Psychon. Soc. 13, 279–282 (1979). https://doi.org/10.3758/BF03336870
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DOI: https://doi.org/10.3758/BF03336870