Migraine Awareness – Ocular and Perceptual Thresholds
Published on: June 7, 2019
Bednarczuk et al (Brain 142, 606–616 (2019)) investigated ocular and perceptual thresholds in vestibular migraineurs (VM) before and after visual motion exposure. The researchers argue that VM prevents a patient from appropriately filtering through cortical noise, like dizziness. While vestibular conditions like benign paroxysmal positional vertigo (BPPV) can elevate baseline sensory thresholds, this would explain how VM uniquely disrupts a patient’s ability to faithfully encode
motion and changes in orientation after stimulus exposure.
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Published on: June 30, 2025
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