Primate memory: retention of serial list items by a rhesus monkey

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Science  22 Aug 1980:
Vol. 209, Issue 4459, pp. 938-940
DOI: 10.1126/science.6773143


A rhesus monkey correctly recognized 86 and 81 percent of 10- and 20-item lists, respectively. It serial position curve was similar in form to a human's curve, revealing prominent primacy and recency effects. The key to these findings was in minimizing proactive interference through the use of a large pool of 211 color photographs.