--- title: Autism: fMRI Brain Scans Can Predict Autism With 97% Accuracy description: Thinking about social interactions reveals brain patterns indicative of autism canonical: https://time.com/3614487/fmri-autism-diagnosis/ author: Mandy Oaklander article:opinion: false article:content_tier: free article:published_time: 2014-12-02T22:19:15.000Z article:modified_time: 2026-02-22T02:30:58.798Z article:section: Health og:title: Autism: fMRI Brain Scans Can Predict Autism With 97% Accuracy og:description: Thinking about social interactions reveals brain patterns indicative of autism og:url: https://time.com/3614487/fmri-autism-diagnosis/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt8a8946ab657cb5de/69876c01a988ca63c86ab1cf/brain-scan-fmri-mri.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 5500 og:image:height: 3094 og:image:alt: brain scan fmri mri og:type: article twitter:card: summary_large_image twitter:title: Autism: fMRI Brain Scans Can Predict Autism With 97% Accuracy twitter:description: Thinking about social interactions reveals brain patterns indicative of autism twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt8a8946ab657cb5de/69876c01a988ca63c86ab1cf/brain-scan-fmri-mri.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # How Brain Scans Can Diagnose Autism With 97% Accuracy > Sponsored content. 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Dec 2, 2014 10:19 PM UTC Right now, diagnosing disorders like autism relies heavily on interviews and behavioral observations. But new [research](http://www.plosone.org/article/info:doi/10.1371/journal.pone.0113879#abstract) published in _PLoS One_ shows that a much more objective measure—reading a person’s thoughts through an fMRI brain scan—might be able to diagnose autism with close to perfect accuracy. Lead study author Marcel Just, PhD, professor of psychology and director of the Center for Cognitive Brain Imaging at Carnegie Mellon University, and his team performed fMRI scans on 17 young adults with high-functioning autism and 17 people without autism while they thought about a range of different social interactions, like “hug,” “humiliate,” “kick” and “adore.” The researchers used machine-learning techniques to measure the activation in 135 tiny pieces of the brain, each the size of a peppercorn, and analyzed how the activation levels formed a pattern. That pattern, Just says, is amazingly similar across people. “When you think about a house or a chair or a banana while you’re in the scanner, I can tell which one you’re thinking about,” he says. So great was the difference between the two groups that the researchers could identify whether a brain was autistic or neurotypical in 33 out of 34 of the participants—that’s 97% accuracy—just by looking at a certain fMRI activation pattern. “There was an area associated with the representation of self that did not activate in people with autism,” Just says. “When they thought about hugging or adoring or persuading or hating, they thought about it like somebody watching a play or reading a dictionary definition. They didn’t think of it as it applied to them.” This suggests that in autism, the representation of the self is altered, which researchers have known for many years, Just says. “But this is the first time that anybody’s used that to diagnose autism looking at brain activation.” Just says his research suggests there could be a new way of diagnosing and understanding certain illnesses and disorders. “If you know what kinds of thoughts are typically disordered in a given psychiatric illness, you could ask a person to think about them and see whether their thoughts are disordered or altered from neurotypical people,” he says. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/3614487/fmri-autism-diagnosis/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/3614487/fmri-autism-diagnosis/"},"headline":"How Brain Scans Can Diagnose Autism With 97% Accuracy","datePublished":"2014-12-02T22:19:15.000Z","dateModified":"2026-02-22T02:30:58.798Z","description":"Thinking about social interactions reveals brain patterns indicative of autism","url":"https://time.com/3614487/fmri-autism-diagnosis/","keywords":["Autism"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt8a8946ab657cb5de/69876c01a988ca63c86ab1cf/brain-scan-fmri-mri.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Mandy Oaklander","jobTitle":"Oaklander is a senior editor at TIME.","url":"https://time.com/author/mandy-oaklander/"}],"articleSection":"Health","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt8a8946ab657cb5de/69876c01a988ca63c86ab1cf/brain-scan-fmri-mri.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"brain scan fmri mri","caption":"brain scan fmri mri","creditText":"Getty Images","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":"/tag/autism/","name":"Autism"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/3614487/fmri-autism-diagnosis/","name":"How Brain Scans Can Diagnose Autism With 97% Accuracy"}}]}] ```