Sarah M. Pope
Optional-switch cognitive flexibility in primates: Chimpanzees' (Pan troglodytes) intermediate susceptibility to cognitive set.
Pope, Sarah M.; Fagot, Joël; Meguerditchian, Adrien; Watzek, Julia; Lew-Levy, Sheina; Autrey, Michelle M.; Hopkins, William D.
Authors
Joël Fagot
Adrien Meguerditchian
Julia Watzek
Dr Sheina Lew-Levy sheina.lew-levy@durham.ac.uk
Associate Professor
Michelle M. Autrey
William D. Hopkins
Abstract
Within human problem-solving, the propensity to use a familiar approach, rather than switch to a more efficient alternative is pervasive. This susceptibility to “cognitive set” prevents optimization by biasing response patterns toward known solutions. In a recent study, which used a nonverbal touch screen task, baboons exhibited a striking ability to deviate from their learned strategy to use a more efficient shortcut. Humans, on the other hand, displayed the opposite response pattern and almost exclusively used a less efficient, but familiar, response. In the current study, we sought to further explore variation in susceptibility to cognitive set within the primate lineage by conducting the Learned Strategy–Direct Strategy task with 10 chimpanzees (Pan troglodytes). Using multilevel multinomial modeling, we found that chimpanzees’ shortcut use was intermediate to baboons’ and humans’. However, unlike either baboons or humans, there was pronounced inter- and intraindividual variability in chimpanzees’ shortcut use. Additionally, a subset of chimpanzees employed a unique solution, wherein they switched strategies midtrial. Further, we found that chimpanzees did not exhibit switch costs when switching between the learned strategy and the shortcut, but humans did. We propose that differences in abstract rule encoding may underlie differences in susceptibility to cognitive set on the Learned Strategy–Direct Strategy task within the primate lineage.
Citation
Pope, S. M., Fagot, J., Meguerditchian, A., Watzek, J., Lew-Levy, S., Autrey, M. M., & Hopkins, W. D. (2020). Optional-switch cognitive flexibility in primates: Chimpanzees' (Pan troglodytes) intermediate susceptibility to cognitive set. Journal of Comparative Psychology, 134(1), 98-109. https://doi.org/10.1037/com0000194
Journal Article Type | Article |
---|---|
Publication Date | 2020 |
Deposit Date | Sep 11, 2023 |
Journal | Journal of Comparative Psychology |
Print ISSN | 0735-7036 |
Electronic ISSN | 1939-2087 |
Publisher | American Psychological Association |
Peer Reviewed | Peer Reviewed |
Volume | 134 |
Issue | 1 |
Pages | 98-109 |
DOI | https://doi.org/10.1037/com0000194 |
Public URL | https://durham-repository.worktribe.com/output/1734104 |
Publisher URL | https://doi.org/10.1037%2Fcom0000194 |
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