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What Is Adaptive about Adaptive Memory?$
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Bennett L. Schwartz, Mark L. Howe, Michael P. Toglia, and Henry Otgaar

Print publication date: 2013

Print ISBN-13: 9780199928057

Published to Oxford Scholarship Online: January 2014

DOI: 10.1093/acprof:oso/9780199928057.001.0001

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Perceptual Versus Conceptual Memory Processes in a Chimpanzee (Pan troglodytes)

Perceptual Versus Conceptual Memory Processes in a Chimpanzee (Pan troglodytes)

(p.258) 14 Perceptual Versus Conceptual Memory Processes in a Chimpanzee (Pan troglodytes)
What Is Adaptive about Adaptive Memory?

Jennifer Vonk

Kelly W. Mosteller

Oxford University Press

In the Deese-Roediger-McDermott (DRM) paradigm humans mistakenly remember words that were not on a list of studied items. If nonhumans show similar memory “confusions” it might suggest that they also process pictorial stimuli at a categorical level rather than processing the perceptual features of the stimuli. A chimpanzee was given recognition tests in which three targets were presented alongside six distractors. The chimpanzee selected targets at above-chance levels, and his rate of selection of conceptual and perceptual distracters did not differ. In a second experiment, consistent with the von Restorff or isolation effect, odd items were better remembered, but only if odd items were perceptually distinct from the other list items.

Keywords:   Deese-Roediger-McDermott (DRM), von Restorff effect, adaptive memory, chimpanzees, recognition memory, false memory, category perception

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