Which of the following has (have) been used to treat epilepsy?

A) GABA agonists
B) neurosurgery
C) deep brain stimulation
D) All of the answers are correct.

GABA Agonists

Substances that mimic the action of the neurotransmitter GABA, enhancing its inhibitory effects in the nervous system.

Deep Brain Stimulation

A neurosurgical procedure where electrodes are implanted in certain areas of the brain to regulate abnormal impulses associated with various neurological conditions.

Neurosurgery

The surgical specialty concerned with the prevention, diagnosis, surgical treatment, and rehabilitation of disorders which affect any portion of the nervous system.