Learning & Behavior https://doi.org/10.3758/s13420-018-0328-z OUTLOOK Are chimpanzees Bstuck^ on their Bselves^ in video? Jennifer Vonk Psychonomic Society, Inc. 2018 Summary Hirata, Fuwa, and Myowa (Royal Society Open Science, 4; 170370, 2017) extended to chimpanzee subjects a paradigm that had been developed by Povinelli and colleagues (Povinelli, Landau, Child Development, 67; 1540–1554, 1996; Perilloux, Povinelli & Simon, Developmental Psychology, 34, 188–194, 1998) to demonstrate the concept of self-continuity in young children. However, Hirata and colleagues lacked critical controls that would have allowed the conclusion that some of their chimpanzees recognized themselves in the time-delayed videos. . . . . . Keywords Chimpanzees Self-recognition Time Continuity Delay Video Hirata, Fuwa, and Myowa (2017) performedanexperimentthat mirror images. To account for different trial durations, Hirata et is long overdue, given the intense interest in whether nonhumans al. appropriately scaled the proportions of stickers removed. have the capacity for self-recognition. This ability is inextricably Three of the five chimpanzees appeared to respond as if they linkedtoconceptsof thecontinuityof self; yet,nosinglestudyhad recognized their images in the videos. These subjects were more previously tested nonhumans for both capacities. Hirata et al.’s likely to remove stickers with no delay or with the very slight time study picked up
Learning & Behavior – Springer Journals
Published: Jun 4, 2018
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