Credit: Image courtesy of Constance Dubuc (NYU).
Our color vision is superior at spotting “social signaling,” such as blushing or other facial color changes, when compared to other types of color vision, including the type we design for digital cameras and other photographic devices. In their study, the researchers had 60 human subjects view a series of digital photographs of female rhesus macaque monkeys, above, whose facial color changes to give social cues.