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Doctor insights on: How Fast Does A Strobe Have To Flash To Cause Seizures For People With Epilepsy

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How fast does a strobe have to flash to cause seizures for people with epilepsy?

How fast does a strobe have to flash to cause seizures for people with epilepsy?

Mostly at 10 hz: In people who are susceptible to photosensitive seizures only 3%, abnormality on eeg usually appear at 10hz, meaning 10 flashes per second. ...Read more

Dr. Andrew Reeves
660 doctors shared insights

Epilepsy (Definition)

A neurological disorder where nerve cells of the brain are injured, epilepsy results in seizures that range from nearly undetectable to extremely vigorous. Epileptic seizures may occasionally result in loss of consciousness and confusion. Causes of epilepsy include genetics, head trauma, prenatal ...Read more


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Is it possible to cause a person without epilepsy to have a seizure by flashing strobe lights at him?

Is it possible to cause a person without epilepsy to have a seizure by flashing strobe lights at him?

Highly unlikely!: If a person is provoked into a seizure with flashing strobe lights then there should be something amiss neurologically. That person should be evaluated for a probable hidden, previously unknown form of epilepsy. ...Read more

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How can fast changing colors cause seizures for people with epilepsy?

How can  fast changing colors cause seizures for people with epilepsy?

Possibly: Some people are have photosensitive seizures, caused not necessarily by changing color but the flicker frequency of the changes. This was previously called tv epilepsy, but new screens do not cause this. Consult a neurologist who may suggest medication and a particular frequency of blue sun glasses that makes the likelyhood of seizures less likely. Also avoid flickering lights. ...Read more

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Can following a bike's flashing led trigger seizures in strobe-sensitive epilepsy?

Can following a bike's flashing led trigger seizures in strobe-sensitive epilepsy?

Absolutely!: Each person with epilepsy may or may not have triggering factors; whether the led will cause a seizure depends on the speed of the flash as well as the individual. If the flash frequency is really slow, it may not trigger a seizure. ...Read more

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Can pain cause my epilepsy seizures worse?

Can pain cause my epilepsy seizures worse?

Possibly: Any time there is something that stresses the brain, this can exacerbate the seizures and make them more difficult to control. For example, stress from fever, infections, lack of sleep are known to exacerbate seizures. Thus, pain can also do that. ...Read more

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Could by epilepsy seizures cause a person to get learning difficulties?

Could by epilepsy seizures cause a person to get learning difficulties?

They are related: Many epilepsies, even ones that we outgrow, can have associated issues like adhd, dyslexia, sleep problems, and mood issues like depression or anxiety. Often a psychologist or neuropsychologist can help to identify these and offer help. ...Read more

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I have epilepsy, but my doctor prescribed me seroquel (quetiapine) for sleep. Why would he if seroquel (quetiapine) causes seizures?

I have epilepsy, but my doctor prescribed me seroquel (quetiapine) for sleep. Why would he if seroquel (quetiapine) causes seizures?

?: Only thing i can think of is that he feels lack of restorative sleep is a major risk factor triggering your seizures, so quieting down your frontal brain lobe and improving your sleep quality will decrease your seizure episodes and their severity. You need to have this conversation with your doctor and a neurologist. ...Read more

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What could have caused my seizure if I don't have epilepsy?

What could have caused my seizure if I don't have epilepsy?

Causes of a seizure: There are many things that can cause a seizure. Anything that irritates the surface of the brain for example may be a cause. Alcohol may be a cause. Medication side effects may be a cause. The cause of a single isolated seizure is sometimes not determined with the tests we have however. ...Read more

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What exactly does it feel like to have a seizure caused by epilepsy?

Many experiences: Depending on the site of origin of the seizure and type of seizure. Many people have a premonition before a seizure, a sensation that one is about to happen. Generalized seizures are often accompanied by complete loss of consciousness. Partial seizures can be experienced as any of an infinite variety of sensations. ...Read more

Dr. William Singer
1,015 doctors shared insights

Seizure Disorder (Definition)

Seizure disorder also known as epilepsy, is a neurological condition in which the brain's abnormal electrical activity causes muscular convulsions and altered mental states. Epilepsy is diagnosed when an individual has ...Read more


Dr. Andrew Reeves
516 doctors shared insights

Epileptic Seizures (Definition)

Epileptic seizures are a clinical finding in which a person with a known seizure disorder (epilepsy) has a seizure (repeated, uncontrolled movement ...Read more