🐒💭 A psychologist at #Utrecht University tested #chimpanzees at #Uganda’s Ngamba Island Sanctuary in five experiments using boxes and hidden food, finding they weigh evidence and change decisions when confronted with contradictory information. The results suggest rational thinking evolved in our primate ancestors and challenges the assumption that reasoned decision-making defines humanity.

👉 https://www.sciencealert.com/chimps-can-revise-their-beliefs-when-shown-new-evidence-study-finds

#psychology #evolution #primates #science #behavior #research #animals