Final answer:
Idiopathic Focal Epileptic Disorder is the most common epilepsy in childhood, characterized by seizures originating in a specific area of the brain.
Step-by-step explanation:
The most common epilepsy in childhood is Idiopathic Focal Epileptic Disorder. This type of epilepsy is characterized by seizures that originate in a specific area of the brain. The cause of Idiopathic Focal Epileptic Disorder is unknown, but it is believed to be a combination of genetic and environmental factors. Seizures in this disorder can often be controlled with anticonvulsant medications.