Through the eye of the beholder: Researchers find people with autism process illusory shapes differently sfnjournals
"How our brain puts together pieces of an object or visual scene is important in helping us interact with our environments," said Emily Knight, MD, Ph.D., assistant professor of Neuroscience and Pediatrics at the University of Rochester Medical Center, and first author on a study out today in the.
They worked with 60 children ages seven to 17 with and without autism. Using electroencephalography —a non-invasive neuroimaging technique that allows researchers to record the response of neurons in the brain—researchers revealed that children with autism did not automatically process the illusory shapes as well as children without autism. It suggests that something is going awry in the feedback processing pathways in their brain.
"This tells us that these children may not be able to do the same predicting and filling in of missing visual information as their peers," Knight said."We now need to understand how this may relate to the atypical visual sensory behaviors we see in some children on the autism spectrum.", found that children with autism may not be able to see or process body language like their peers, especially when distracted by something else.
The kids in this study watched videos of dots that moved to represent a person. As part of the experiment, the dots changed color. Unlike in typical development, the brains of children with autism did not appear to notice the human movement when told to focus on the color.
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