As a comparison, the dogs were shown facial images from dogs and humans that the dogs had never met. (sciencedaily.com)
To showcase a new chip that can run artificially intelligent algorithms, researchers have put it in a doll and programmed it to recognise emotions in facial images captured by a small camera. (newscientist.com)
It's known that the human brain process upside - down images in a different way than normal facial images. (sciencedaily.com)