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Photosensitive epilepsy (PSE) is a form of epilepsy in which seizures are triggered by visual stimuli that form patterns in time or space, such as flashing lights, bold, regular patterns, or regular moving patterns. PSE affects approximately one in 4,000 people (5% of those with epilepsy).
Flicker vertigo, sometimes called the Bucha effect, is "an imbalance in brain-cell activity caused by exposure to low-frequency flickering (or flashing) of a relatively bright light." [ 1 ] It is a disorientation -, vertigo -, and nausea -inducing effect of a strobe light flashing at 1 Hz to 20 Hz, approximately the frequency of human brainwaves .
Sleep deprivation is the second most common trigger of seizures. [15] In some cases, it has been responsible for the only seizure a person ever has. [41] However, the reason for which sleep deprivation can trigger a seizure is unknown. One possible thought is that the amount of sleep one gets affects the amount of electrical activity in one's ...
There have been cases of epileptic individuals willingly self-inducing ecstatic or pleasurable seizures via exposure to known provoking epileptogenic stimuli, like flickering or flashing television screens. [1] [14] [21] [22] Positive emotions have been reported to be a trigger of ecstatic seizures in some. [3]
Seizures originate in the occipital lobe and account for 5 to 10 percent of all epileptic seizure types. Generally, this type of epilepsy can have an onset anywhere from 1–17 years old in children, but the patient prognosis is good. Since the event is located in the occipital lobe, symptoms may occur spontaneously and include visual stimuli.
According to Apuleius and other ancient physicians, to detect epilepsy, it was common to light a piece of gagates, whose smoke would trigger the seizure. [209] Occasionally a spinning potter's wheel was used, perhaps a reference to photosensitive epilepsy. [210] In most cultures, persons with epilepsy have been stigmatized, shunned, or even ...
Board certified dermatologist Dr. Kristina Collins stresses the value of this massager for women going through menopause, where lower levels of estrogen can trigger more headaches.
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.
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