Great apes [72] and even dogs 73, 74 can understand and respond to spoken requests involving sequential processing and substantial word vocabularies, which implies
According to a shifting tide of opinion, it is in our ability to communicate our thoughts, rather than our thoughts themselves, that we differ most profoundly from other species and it is our capacity to communicate that gives an inflated view of human cognition. The difference has more to do with production than with understanding. Great apes [72] and even dogs 73, 74 can understand and respond to spoken requests involving sequential processing and substantial word vocabularies, which implies