Single-trial learning of "what" and "who" information in a gorilla (Gorilla gorilla gorilla): implications for episodic memory |
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| Authors: | Schwartz Bennett L Colon Melanie R Sanchez Isabel C Rodriguez Isabel Alexa Evans Siân |
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| Affiliation: | (1) Department of Psychology, Florida International University, University Park, Miami, FL 33199, USA,;(2) DuMond Conservancy for Primates and Tropical Forests, 14805 SW 216 Street, Miami, FL 33170, USA,;(3) Language Research Center, Georgia State University, 3401 Panthersville Road, Decatur, GA 30034, USA, |
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| Abstract: | Single-trial learning and long-term memory of "what" and "who" information were examined in an adult gorilla (Gorilla gorilla gorilla). We presented the gorilla with a to-be-remembered food item at the time of study. In Experiment 1, following a retention interval of either approximately 7 min or 24 h, the gorilla responded with one of five cards, each corresponding to a particular food. The gorilla was accurate on 70% of the short retention-interval trials and on 82% of the long retention-interval trials. In Experiment 2, the food stimulus was provided by one of two experimenters, each of whom was represented by a card. The gorilla identified the food (55% of the time) and the experimenter (82% of the time) on the short retention-interval trials. On the long retention-interval trials, the gorilla was accurate for the food (73%) and for the person (87%). The results are interpreted in light of theories of episodic memory. Electronic Publication |
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| Keywords: | Primates Gorillas Memory Episodic memory Single-trial learning |
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