Myoclonic seizures generally affect:
- Upper arms
Myoclonic seizures may not be noticed because they happen so quickly. Someone may think they are tics or clumsiness.
Symptoms of these seizures include:
- Quick, uncontrolled muscle jerks
- Jerky or rhythmic movements
- Unusual clumsiness
Childhood myoclonic epilepsy conditions often progress to more severe seizures in adulthood.
Causes and Risk Factors
In most cases, there is no known cause of epilepsy. A family history of epilepsy may sometimes be a factor. However, experts are not sure how the disease is passed from parent to child.
Seizures can be linked to:
Unusual brain development