Specifically, the researchers were curious to see if the monkeys’ social ties had shifted and if their behavior would turn more tolerant or aggressive. Considering the lack of resources and ...

The study, published August 23 in PNAS, suggests that the monkeys create internal representations and assumptions about how to solve a puzzle or address a task that supersede the usual drivers of lab ...

Scientists Sakumi Iki and Ikuma Adachi recently spent a lot of time watching monkeys scratch themselves. Self-scratching ...

"Approximately 10% of captive, individually-housed monkeys engage in the disturbing phenomenon of self-injurious behavior (SIB). To date, no adequate explanation or effective therapy has been ...

The behavior represents culture because the monkeys learn it socially, and it is isolated to a single group. Though they’re a lesser-known example, macaques in various parts of Japan mount and ...

Caregivers mimicked monkey behavior (MB) to engage with the other half, all the while avoiding eye contact or speaking (behaviors the macaques could perceive as aggressive). Our results showed that ...