Brain injury, brain swelling and increased pressure on the brain as well as chemical imbalances are common causes of adult seizure … Generalized seizures happen when waves of electrical activity swamp the whole brain at once. A diverse variety of conditions and disorders can precipitate seizure activity in adults. Your doctor can use medical tests to check for some underlying health conditions. Re: First-Time Seizures Around 40 yrs old Submitted by tino on Fri, 2007-07-20 01:30 i am 50 and i have recently been experiencing odd symptoms that a neuro diagnosed as simple partials, we have no history of this in our family and no reason i could think of that i would have this. Children and elderly adults are the ones most often affected. “Atonic” means loss of muscle tone. Definition: Excessive, abnormal cortical neuronal activity resulting in a variety of physical symptoms. There are around 180,000 new cases of epilepsy each year. It's possible to have just one type of seizure, or more than one type. About 30% occur in children. Malnutrition and overnutrition may increase the risk of seizures. Continued Causes of Epilepsy. The most common cause of seizure activity in seniors is cerebrovascular disease, occurring more frequently as a consequence of a hemorrhagic stroke than the nonhemorrhagic type. Definition: Excessive, abnormal cortical neuronal activity resulting in a variety of physical symptoms. Atonic seizures (also known as drop attacks) are one of several types of seizures that can occur as a result of various underlying causes. Seizures are a dramatic manifestation of a serious disturbance in brain activity. Provoked seizure: An acute symptomatic seizure that occurs at the time of or within 7 days of an acute neurologic, systemic, metabolic, or toxic insult (Huff 2014). Johns Hopkins Medicine: “Evaluation of a First-Time Seizure,” “Diagnosing Seizures and Epilepsy.” Mayo Clinic: “Seizures,” “Vagus Nerve Stimulation.” American Academy of Neurology. Finding the cause of your seizures can take some time. This type of seizure is also known as akinetic or drop seizures. Provoked seizure: An acute symptomatic seizure that occurs at the time of or within 7 days of an acute neurologic, systemic, metabolic, or toxic insult (Huff 2014). [scald=251:sdl_editor_representation {"link":""}] The kind of seizure an older person may have depends on where the electrical disturbance takes place and how much of the brain is affected. 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