Sustained visual cortex hyperexcitability in migraine with persistent visual aura
نویسندگان
چکیده
منابع مشابه
Sustained visual cortex hyperexcitability in migraine with persistent visual aura.
Persistent aura without infarction, a rare migraine disorder, is defined by aura symptoms that persist for >1 week without radiological evidence of cerebral infarction. To unveil its pathophysiological mechanisms, this study used magnetoencephalography to characterize the visual cortex excitability in persistent aura by comparison with episodic and chronic migraine. We recruited six patients wi...
متن کاملMigraine with persistent visual aura.
CLINICAL HISTORIES Case 1.—This 74-year-old woman was referred by an ophthalmologist with an 8-week history of squiggles in her left field of vision of both eyes inferior more than superior. During the day, if her eyes were closed, she would see kaleidoscope-type letters with a colored background. The visual symptoms were constant except for several hours in the evening when there was total res...
متن کاملVisual snow--persistent positive visual phenomenon distinct from migraine aura.
Patients with visual snow complain of uncountable flickering tiny dots in the entire visual field similar to the view of a badly tuned analogue TV channel (TV snow). The symptoms are often continuous and can persist over years. This condition is grouped among the persistent visual phenomena in migraine, although it clinically presents a unique entity distinct from persistent migraine aura or mi...
متن کاملMigraine with Persistent Visual Aura: Response to Furosemide
Persistent migraine aura without infarction is a rare but well documented condition. According to the International Headache Society (HIS) criteria, this disturbance is defined by the persistence of a migraine aura for more than one week without radiographic evidence of infarction. Here we describe the case of an 11-year-old girl suffering from migraine without aura since the age of four. She e...
متن کامل'Visual snow' - a disorder distinct from persistent migraine aura.
Patients with 'visual snow' report continuous tiny dots in the entire visual field similar to the noise of an analogue television. As they frequently have migraine as a comorbidity with ophthalmological, neurological and radiological studies being normal, they are offered various diagnoses, including persistent migraine aura, post-hallucinogen flashback, or psychogenic disorder. Our aim was to ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Brain
سال: 2011
ISSN: 1460-2156,0006-8950
DOI: 10.1093/brain/awr157