--- title: Prosopagnosia and Face Blindness: Why You May Be Face Blind description: If you sometimes fail to recognize friends or family, then you might have prosopagnosia, a condition commonly known as face blindness. canonical: https://time.com/4838661/prosopagnosia-face-blindness/ author: Kate Samuelson article:opinion: false article:content_tier: free article:published_time: 2017-07-14T12:00:58.000Z article:modified_time: 2026-03-31T11:05:29.161Z article:section: Health og:title: Why You Can't Recognize Other People's Faces og:description: Studies suggest as many as 1 in 50 people have prosopagnosia, or face blindness og:url: https://time.com/4838661/prosopagnosia-face-blindness/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt9c4aedca770e9220/69887b48a988ca43b46b65ba/confusion-3-question-mark-mental-health-self-betterment.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 4350 og:image:height: 2447 og:image:alt: confusion-3-question-mark-mental-health-self-betterment-motto-stock og:type: article twitter:card: summary_large_image twitter:title: Why You Can't Recognize Other People's Faces twitter:description: Studies suggest as many as 1 in 50 people have prosopagnosia, or face blindness twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt9c4aedca770e9220/69887b48a988ca43b46b65ba/confusion-3-question-mark-mental-health-self-betterment.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # Why You Can't Recognize Other People's Faces > Sponsored content. 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Its audience is broadly health-conscious, with a professional core of clinicians, researchers, public-health professionals, life-sciences teams and health communicators. by [Kate Samuelson](https://time.com/author/kate-samuelson/) ## Kate Samuelson Jul 14, 2017 12:00 PM UTC  Peechaya Burroughs for TIME by [Kate Samuelson](https://time.com/author/kate-samuelson/) ## Kate Samuelson Jul 14, 2017 12:00 PM UTC Have you ever failed to recognize a close friend or family member, particularly when you see them unexpectedly or after they’ve had a haircut? If so, you might have face blindness—officially called prosopagnosia, from the Greek word _prosopon_, meaning face, and _agnosia_, meaning ignorance. As many as 1 in 50 people have some degree of prosopagnosia, although many lead normal lives without even realizing they have it. Here’s what you need to know about face blindness. ## How can you tell if you’re face blind? Symptoms vary widely among those with the condition. Some may find it hard to recognize facial expressions in other people. Watching TV or movies can be a daunting task, as those with the condition may struggle to remember who the different characters are. When meeting a new person, people with face blindness may also try to remember their clothes or hairstyle instead of their face. Not surprisingly, another trait that typically goes along with face blindness is social anxiety. Failing to understand facial expressions can lead to a difficulty forming relationships or making friends. People with face blindness may avoid social interaction, develop social anxiety disorder and even experience periods of depression, according to the National Health Service in the UK. Heather Sellers, author of a book called _You Don’t Look Like Anyone I Know_, [told TIME in a 2010 interview](http://healthland.time.com/2010/10/22/mind-reading-what-its-like-when-you-cant-recognize-anyone/) that having prosopagnosia feels like having a learning disability. “It’s like dyslexia,” she said. “I know what a face is, but it’s really hard to read faces. \[With dyslexia\] you know what the word is, but you are going a lot more by context and takes a lot of work \[to figure it out\]. It feels like walking uphill into the wind.” ## Why do some people have face blindness? Studies show that face-blindness is [not connected to general intelligence](http://www.pnas.org/content/112/41/12887.full) or wider memory. It is usually a lifelong problem, and developmental prosopagnosia—which refers to face blindness without having brain damage—is the most common kind. It was found to be highly heritable in a [study](http://pic.plover.com/prosopagnosia.pdf) led by a team of German researchers in 2006\. One of the study’s authors, Dr. Thomas Grüter of the Institute of Human Genetics in Germany—who himself is a prosopagnosic—[speculated](http://content.time.com/time/magazine/article/0,9171,1211572,00.html) that the condition may be caused by a defect in a single dominant gene. This could mean that if one parent has developmental prosopagnosia, their children would each have a 50% chance of inheriting it. Studies suggest that [around 2% of people](http://www.faceblind.org/social%5Fperception/papers/DP%20chapter.pdf) show signs of developmental prosopagnosia. Some people also develop prosopagnosia after suffering damage to their brain, such as a head injury or a stroke. This is known as acquired prosopagnosia and is relatively rare. ## How do you treat prosopagnosia? Unfortunately, there is no specific medication or therapy to treat prosopagnosia. Some people with the condition develop strategies to help them cope, such as recognizing a person’s voice, hairstyle, dress or gait, or avoiding places where they are likely to run into people they know. However, these techniques are not always reliable or realistic. Other strategies known to be helpful to prosopagnosics, [documented](http://www.cehd.umn.edu/icd/research/yonaslab/docs/StrategiesforLivingwithProso.pdf) by the University of Minnesota’s College of Education and Human Development, include creating “secret signs” with friends and carrying around a notebook to record details and names of people. Many people lead ordinary lives without realizing they have the condition, but for the curious, there are various tests to determine whether you show symptoms of prosopagnosia, including [Test My Brain’s seven step test](https://www.testmybrain.org/do-you-suffer-from-face-blindness-seven-signs-and-symptoms-of-prosopagnosia/) and troublewithfaces.org’s [20-step prosopagnosia questionnaire](http://www.troublewithfaces.org/test-yourself-1). ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/4838661/prosopagnosia-face-blindness/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/4838661/prosopagnosia-face-blindness/"},"headline":"Why You Can't Recognize Other People's Faces","datePublished":"2017-07-14T12:00:58.000Z","dateModified":"2026-03-31T11:05:29.161Z","description":"Studies suggest as many as 1 in 50 people have prosopagnosia","url":"https://time.com/4838661/prosopagnosia-face-blindness/","keywords":["Neuroscience"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt9c4aedca770e9220/69887b48a988ca43b46b65ba/confusion-3-question-mark-mental-health-self-betterment.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Kate Samuelson","jobTitle":"","url":"https://time.com/author/kate-samuelson/"}],"articleSection":"Health","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt9c4aedca770e9220/69887b48a988ca43b46b65ba/confusion-3-question-mark-mental-health-self-betterment.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"confusion-3-question-mark-mental-health-self-betterment-motto-stock","caption":"confusion 3 question mark mental health self betterment motto stock","creditText":"Peechaya Burroughs for TIME","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/health/","name":"Health"}},{"@type":"ListItem","position":2,"item":{"@id":"https://time.com/4838661/prosopagnosia-face-blindness/","name":"Why You Can't Recognize Other People's Faces"}}]}] ```