Eyes Provide Biomarkers for ADHD and ASD Disorders, Research Disclosure
Attention Deficit Hyperactivity Disorder (ADHD) and Autism Spectrum Disorder (ASD) are the most common neurodevelopmental disorders diagnosed in childhood. Although both are separate conditions, their symptoms tend to overlap, which makes it quite difficult to distinguish between them. Now, in a new study, researchers from the University of South Australia and Flinders University have found that recordings from the human retina can provide distinct signals for both conditions. disorders.
“ASD and ADHD are the most common neurodevelopmental disorders diagnosed in childhood. But because they often share similar features, the diagnosis for both conditions can be lengthy and complicated. Our research aims to improve this. By discovering how signals in the retina respond to light stimuli, we hope to develop more accurate and earlier diagnoses for various neurodevelopmental conditions.” speak Dr. Paul Constable, an optometrist at Flinders University. Dr. Constant is also the author of research published year Frontiers in neuroscience.
The team used an electrocardiogram (ERG), which is a diagnostic test that measures the electrical activity of the retina in response to light stimulation. In their study, they noted that children with ADHD showed higher overall ERG energy levels while those with ASD were found to have low ERG energy.
Dr. Constable explains that retinal signals are produced by specific nerves and identifying differences in them could help them shed light on the differences between children with ADHD and those with ASD. He added that their study provides preliminary evidence that neurophysiological changes not only help distinguish ADHD from ASD, but can also be made using an ERG diagnosis.
Dr Fernando Marmolejo-Ramos, an expert in human and artificial cognition at the University of South Australia, said: “Ultimately, we are looking at how the eyes can help us understand the brain. He is also a co-researcher in the study.
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