Psychiatrists Used Their Own Baby In Bizarre Ape Experiment

The Kellogg experiment, conducted in the early 1930s by psychologist Winthrop Niles Kellogg and his wife, involved raising their infant son Donald alongside a young chimpanzee named Gua. The aim was to study the effects of environment and socialization on the development of the two species. Over the course of nine months, both Donald and Gua were treated identically, subjected to the same routines, and given the same learning opportunities. While Gua showed significant progress in certain human-like behaviors and social interactions, Donald began to exhibit some chimpanzee-like tendencies. Watch our video to learn more!