What happens to the brain during an epileptic fit?

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sayeeda

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sayeeda asked the Naked Scientists:
   
Hi i just wanted to ask about what epilepsy What actually happens to the brain during and epileptic fit?

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Offline Chemistry4me

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What happens to the brain during an epileptic fit?
« Reply #1 on: 14/01/2009 10:37:30 »
There are two types of seizures, generalized and partial. Generalized seizures, which typically result in loss of consciousness, can cause several behavioral changes, including convulsions or sudden changes in muscle tone, and arise when there is simultaneous excessive electrical activity over a wide area of the brain. Partial seizures may occur with maintained onsciousness or with altered awareness and behavioral changes. Partial seizures can produce localized visual, auditory, and skin sensory disturbances; repetitive uncontrolled movements; or confused, automatic behaviors. Such seizures arise from excessive electrical activity in a limited area of the brain.