--- title: University of Virginia Study on Babies, Communication and Our Eyes description: Study shows the unique response of human babies to eye expressions canonical: https://time.com/3543614/baby-communications-emotions-eyes/ author: Belinda Luscombe article:opinion: false article:content_tier: free article:published_time: 2014-10-28T16:42:23.000Z article:modified_time: 2026-04-13T08:56:13.047Z og:title: Science: Don't wear sunglasses around your babies og:description: Study shows the unique response of human babies to eye expressions og:url: https://time.com/3543614/baby-communications-emotions-eyes/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt126acaf610d4faae/69876301cd1bba9c1d6f2dc1/baby-eye-whites.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 1440 og:image:height: 810 og:image:alt: baby eye whites og:type: article twitter:card: summary_large_image twitter:title: Science: Don't wear sunglasses around your babies twitter:description: Study shows the unique response of human babies to eye expressions twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt126acaf610d4faae/69876301cd1bba9c1d6f2dc1/baby-eye-whites.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # Babies Identify Emotions by Looking at the Whites of Our Eyes > Sponsored content. 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It is a free newsletter available at time.com/newsletters.  by [Belinda Luscombe](https://time.com/author/belinda-luscombe/)  ## Belinda Luscombe Editor at Large Oct 28, 2014 4:42 PM UTC  Max Planck Institute for Human Cognitive and Brain Sciences  by [Belinda Luscombe](https://time.com/author/belinda-luscombe/)  ## Belinda Luscombe Editor at Large Oct 28, 2014 4:42 PM UTC Babies, as anyone who has had one might have noticed, are not that good at stuff. They can’t talk to you, they suck on everything no matter what it’s supposed to be used for, they can’t run errands, they soil themselves. But they can recognize different facial expressions just from looking at someone’s eyes, apparently as early as seven months. How? It’s all to do with the whites of the eyes. A new study out of the University of Virginia and that Max Planck Institute that was published online in the _Proceedings of the National Academy of Sciences_, found that babies respond differently to eyes alone, if the eyes were showing different expressions. “Their brains clearly responded to social cues conveyed through the eyes,” said Tobias Grossmann, one of the study’s authors, “indicating that even without conscious awareness, human infants are able to detect subtle social cues.” Humans, it turns out, are the only primates in which the whites of the eye are visible. The amount of sclera, as the white is known, is often an indicator of the emotions of a person. Wide open eyes, with a lot of visible white, express surprise or fear. When people smile, on the other hand, their eyes often narrow, hiding the whites. Fellow humans use the eyes a lot to detect what a person is really feeling, which is why movie villains, prison guards, and _Vogue_ editor Anna Wintour wear mirrored or dark glasses even inside and on overcast days. If people can’t see the whites of each other’s eyes, they’re not really communicating. The sociologists were trying to establish how consciously or unconsciously humans respond to eye expressions, whether it’s learned behavior or innate to the human condition. So they hooked the babies up to shower cap like EEG devices that measure brain activity and showed them pictures of eyes for 50 milliseconds—way too short a time for the conscious brain of a baby of that age to have any idea of what was going on. Some of the eyes were wide open showing a lot of white, some were narrowly opened, some looked straight ahead, and some had an averted gaze. The babies’ brains responded differently to each type. “This demonstrates that, like adults, infants are sensitive to eye expressions of fear and direction of focus, and that these responses operate without conscious awareness,” Grossmann said. “The existence of such brain mechanisms in infants likely provides a vital foundation for the development of social interactive skills in humans.” The moral of the story is: you may want to ditch the mirrored sunglasses when playing with your baby. 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