The landau- kleffner syndrome causes the loss of language skills that were once there, called acquired aphasia, and involves epilepsy activity and it affects boys more than girls. A child between the ages of three and eight years of age suddenly or gradually experiences language problems, with or without seizures. Landau- kleffner syndrome is a rare epilepsy syndrome. For the most part, this disorder affects auditory comprehension, or understanding spoken language, and speaking ability can be a result of this disorder. Simple partial motor and tonic- clonic seizures are infrequent, are often nocturnal, and are easily controlled by medication. For those people who are a good candidate for surgery, Multiple subpial transection would be a great option.
Source: “Epilepsy: Patient And Family Guide” by Orrin Devinsky, MD