Visual processing slower in children with dyslexia compared to their typically developing peers
The study, published in JNeurosci and the first to combine new methods to understand visual processing and brain activity in dyslexia, challenged a group of children aged six to 14 to identify the average direction of motion of a mass of moving dots, while their brain activity was measured.
It found children with dyslexia took longer to gather the visual evidence, and were less accurate, than their typically developing peers, and that the behavioural differences were reflected in differences in brain activity.
Although reading ability is known to be affected by dyslexia, researchers are still unclear on which brain processes are affected by the condition. Increasing understanding of this could potentially lead to more effective support for those affected.
Dr Cathy Manning, lead researcher in the Centre for Autism at the University of Reading, said: "These findings show that the difficulties faced by children with dyslexia are not restricted to reading and writing. Instead, as a group, children with dyslexia also show differences in how they process visual information and make decisions about it.
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