Publikation: Memory for own actions in parrots
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The ability to recall one’s past actions is a crucial prerequisite for mental self-representation and episodic memory. We studied whether blue-throated macaws, a social macaw species, can remember their previous actions. The parrots were trained to repeat four previously learned actions upon command. Test sessions included repeat trials, double repeat trials and trials without repeat intermixed to test if the parrots repeated correctly, only when requested and not relying on a representation of the last behavioral command. Following their success, the parrots also received sessions with increasing time delays preceding the repeat command and successfully mastered 12–15 s delays. The parrots successfully transferred the repeat command spontaneously at first trial to three newly trained behaviors they had never repeated before, and also succeeded in a second trial intermixed with already trained actions (untrained repeat tests). This corroborates that successful repeating is not just an artifact of intense training but that blue-throated macaws can transfer the abstract “repeat rule” to untrained action. It also implies that an important aspect of self-representation has evolved in this avian group and might be adaptive, which is consistent with the complex socio-ecological environment of parrots and previous demonstrations of their complex cognition.
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TORRES ORTIZ, Sara, Simeon Q. SMEELE, Juliette CHAMPENOIS, Auguste M. P. VON BAYERN, 2022. Memory for own actions in parrots. In: Scientific Reports. Springer. 2022, 12, 20561. eISSN 2045-2322. Available under: doi: 10.1038/s41598-022-25199-xBibTex
@article{TorresOrtiz2022Memor-67718, year={2022}, doi={10.1038/s41598-022-25199-x}, title={Memory for own actions in parrots}, volume={12}, journal={Scientific Reports}, author={Torres Ortiz, Sara and Smeele, Simeon Q. and Champenois, Juliette and von Bayern, Auguste M. P.}, note={Article Number: 20561} }
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