Sehner et al. (PNAS Nexus, 2022, 1-14) report that groups of common marmosets solve problems more frequently and faster than individuals working alone. This result is partially explained by greater persistence at the task in the group context and may have important implications for the evolution of cognition and culture.
Keywords: Cooperative breeders; Group; Problem solving.
© 2022. The Psychonomic Society, Inc.