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Absence seizures (petit mal seizures)
Absence seizures are short and hard to notice--the person simply stops moving or speaking and then goes back to his or her normal activities. Learn more about how to spot these seizures and what can be done to treat them.
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Partial seizures (focal seizures)
When only a portion of the brain is involved in a seizure, it is called a partial or focal seizure. These seizures vary tremendously in their effects on the person's movement, sensation, or behavior depending on which area of the brain is involved.
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Generalized seizures (grand mal seizures)
A generalized seizure is an electrical disturbance involving the whole brain, and its most easily recognizable symptom is the body stiffness and jerking limbs known as tonic-clonic motor activity. These seizures can be provoked by anything that disturbs the physical or chemical environment of the brain.
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Febrile seizures
Febrile seizures are triggered by a high temperature or a sudden rise in body temperature. Up to 5% of children experience a febrile seizure at some point. They usually happen at the beginning of an illness, right after a fever first starts.
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What to do when someone is having a seizure
Many people believe that putting an object, such as a spoon, in the mouth of someone having a seizure will help protect the person from biting his or her tongue. While this particular method is a bad idea, there are many things you can do to be helpful.
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Are there any links between epilepsy and depression?
There is a two-way link between depression and epilepsy. If you have either illness, the risk goes up for having the other.
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My husband blacked out. Did he have a seizure?
If a person blacks out and can't remember what happened, a seizure is one possibility. People who have seizures often have no memory of what happened just before and just after the event.
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Electroencephalogram
An electroencephalogram (EEG) is a recording of the brain's electrical activity in which electrodes attached to the skin of the head transform electrical activity into patterns, called brain waves. Learn more about what this test is like.
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Preeclampsia and eclampsia
Preeclampsia is a condition that occurs only during pregnancy and causes high blood pressure, high protein levels in urine, and swelling of the legs, hands, face, or entire body. Severe cases can lead to eclampsia, the name for seizures associated with this condition.
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Head injury in adults
Trauma to the head can cause several types of head injuries, including concussion and traumatic brain injury. A head injury can also lead to the onset of seizures.
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