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Scintillating scotomas are most commonly caused by cortical spreading depression, a pattern of changes in the behavior of nerves in the brain during a migraine. Migraines, in turn, may be caused by genetic influences and hormones. People with migraines often self-report triggers for migraines involving stress or foods, [9] or bright lights. [10]
Photopsia is the presence of perceived flashes of light in the field of vision. It is most commonly associated with: [4] posterior vitreous detachment; migraine aura (ocular migraine / retinal migraine) migraine aura without headache; scintillating scotoma; retinal break or detachment; occipital lobe infarction (similar to occipital stroke)
Occasionally they are triggered by harmful events surrounding the phobic object or situation - in this case, for example, severe sunburn, chronic light-triggered migraines, or trauma accompanied by bright sunlight. According to the DSM-5, heliophobia would be listed under the category of "specific phobia". [3]
Sensitivity to light or sound. Difficulty reading or speaking. Hyperactivity. While some of these behaviors, particularly cravings, were once thought of exclusively as migraine triggers, "there's ...
More than one-third of migraine sufferers report that weather changes can set off their migraines, according to the American Migraine Foundation. In particular, hot, humid days and bright sunlight ...
These weather changes may trigger a migraine by disrupting the balance of chemicals in the brain, like serotonin, according to the Mayo Clinic. Weather-related triggers include bright sunlight ...
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