And a recent study found subtle but fascinating differences in the behaviour-emotion connection in humans and monkeys.

Scientists Sakumi Iki and Ikuma Adachi recently spent a lot of time watching monkeys scratch themselves. Self-scratching among non-human primates is known to indicate social tension and anxiety.

Mar. 12, 2025 — We're all familiar with Pavlovian conditioning, in which a reward-anticipatory behavior follows a reward-predicting stimulus. Perhaps you experience it yourself when passing a ...