Researchers from the Institute of Psychiatry, Psychology & Neuroscience (IoPPN) at King's College London have used a novel approach to show that the patterns of activity in two brain chemical systems - glutamate and serotonin - are different in people with visual snow syndrome compared to those without the condition. Visual snow syndrome is characterised by a continuous visual disturbance in which people see static, flickering dots, and flashing lights - this happens when their eyes are both open and closed.

https://www.miragenews.com/brain-scan-reveals-potential-biological-roots-1062713/

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