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Scintillating scotoma is a common visual aura that was first described by 19th-century physician Hubert Airy (1838–1903). Originating from the brain, it may precede a migraine headache , but can also occur acephalgically (without headache), also known as visual migraine or migraine aura. [ 4 ]
Photopsia; This is an approximation of the zig-zag visual of a scintillating scotoma as a migraine aura. It moves and vibrates, expanding and slowly fading away over the course of about 20 minutes.
Scintillating scotoma is a common visual aura in migraine. [4] Less common, but important because they are sometimes reversible or curable by surgery , are scotomata due to tumors such as those arising from the pituitary gland , which may compress the optic nerve or interfere with its blood supply.
Between 2020 and 2022, 306 participants, with an average age of 68, were enrolled approximately one month after a stroke. 162 received usual care (the control group), and 144 received the Walk ...
Scintillating scotoma is the most common symptom [11] which usually happens concurrently with Expanding Fortification Spectra. [12] Also frequently reported is monocular blindness. [13] Acephalgic migraines typically do not persist more than a few hours and may last for as little as 15 seconds. [14] On rare occasions, they may continue for up ...
An aura is a perceptual disturbance experienced by some with epilepsy or migraine.An epileptic aura is actually a minor seizure. [1]Epileptic and migraine auras are due to the involvement of specific areas of the brain, which are those that determine the symptoms of the aura.
In other clinical sub-forms of migraine headache may be absent and the migraine aura may not take the typical form of the zigzagged fortification spectrum (scintillating scotoma), but manifests with a large variety of focal neurological symptoms. [25] Visual snow does not depend on the effect of psychotropic substances on the brain. [13]
In the early 1950s, Twitchell began studying the pattern of recovery in stroke patients. He reported on 121 patients whom he had observed. He found that by four weeks, if there is some recovery of hand function, there is a 70% chance of making a full or good recovery.