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All seizures are caused by abnormal electrical disturbances in the brain. Partial (focal) seizures occur when this electrical activity remains in a limited area of the brain. The seizures may sometimes turn into generalized seizures, which affect the whole brain. This is called secondary generalization.
Partial seizures can be further characterized as:
For more information, see:
Focal seizure; Jacksonian seizure; Seizure - partial (focal); Temporal lobe seizure
Patients with focal seizures can have any of the symptoms below, depending on where in the brain the seizure starts.
Patients with simple focal seizures do not lose consciousness and will be aware of and remember the events that occur at the time.
Patients with complex partial seizures will have abnormal consciousness and may or may not remember any or all of the symptoms or events surrounding the seizure.
Epilepsy Foundation of America -- www.epilepsyfoundation.org
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