Why Ayumu wins

Where all this comes from

1. Inoue, S. & Matsuzawa, T. (2007). Working memory of numerals in chimpanzees. Current Biology, 17(23), R1004–R1005.
2. Silberberg, A. & Kearns, D. (2009). Memory for the order of briefly presented numerals in humans as a function of practice. Animal Cognition, 12(2), 405–407.
3. Cook, P. & Wilson, M. (2010). Do young chimpanzees have extraordinary working memory? Psychonomic Bulletin & Review, 17(4), 599–600.
4. Bartz, A. E. (1962). Eye-movement latency, duration, and response time as a function of angular displacement. Journal of Experimental Psychology, 64(3), 318–324.
5. Read, D. W., Manrique, H. M. & Walker, M. J. (2022). On the working memory of humans and great apes: Strikingly similar or remarkably different? Neuroscience & Biobehavioral Reviews, 134, 104496.
6. Roberts, S. G. & Quillinan, J. (2014). The Chimp Challenge: Visual working memory in chimps and humans. In The Past, Present and Future of Language Evolution Research (pp. 31–39). Tokyo: EvoLang9 Organising Committee.