Localised increase in regional cerebral perfusion in patients with visual snow syndrome: a pseudo-continuous arterial spin labelling study
ConclusionsIn conclusion, patients with VSS present increased activation in a wide network of intrinsic brain areas that are key in the processing of complex sensory and cognitive states. The fact that rCBF increases were independent of the presence of an external visual stimulus, suggests that these abnormalities could be a causal factor of the disorder.
This study expands on previous neuroimaging findings, confirms VSS to be a complex brain problem, and helps to improve our understanding of a condition for which treatment is still lacking.
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