Landau-Kleffner Syndrome (cont.)

What is the outcome of Landau-Kleffner syndrome?

Comment on this

There have not been many long-term follow-up studies of children with LKS. This lack of evidence, along with the wide range of differences among affected children, makes it impossible to predict the outcome of this disorder. Complete language recovery has been reported; however, language problems usually continue into adulthood. The continued language problems can range from difficulty following simple commands to no verbal communication. If recovery takes place, it can occur within days or years. So far, no relationship has been found between the extent of the language impairment, the presence or absence of seizures and the amount of language recovery. Generally, the earlier the disorder begins, the poorer the language recovery.

Most children outgrow the seizures, and electrical brain activity on the EEG usually returns to normal by age 15.

What treatments are available?

Comment on this

Medication to control the seizures and abnormal brain wave activity (anticonvulsants) usually has very little effect on language ability. Corticosteroid therapy has improved the language ability of some children. Sign language instruction has benefited others.

Where can I get more information?

NIDCD maintains a directory of organizations that can answer questions and provide printed or electronic information on ear infections. Please see the list of organizations at www.nidcd.nih.gov/directory.

Use the following keywords to help you search for organizations that are relevant to Landau-Kleffner Syndrome:

  • Landau-Kleffner syndrome
  • Aphasia
  • Rare disorders

For more information, additional addresses and phone numbers, or a printed list of organizations, contact:

NIDCD Information Clearinghouse
1 Communication Avenue
Bethesda, MD 20892-3456
Toll-free Voice: (800) 241-1044
Toll-free TTY: (800) 241-1055
Fax: (301) 770-8977
E-mail: nidcdinfo@nidcd.nih.gov

Medically reviewed by Jon Glass, MD; American board of Psychiatry and Neurology

Last update: 9/21/2007

SOURCE: U.S. National Institutes of Health, National Institute on Deafness and Other Communication Disorders


Medically Reviewed by a Doctor on 4/4/2014

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Landau-Kleffner Syndrome - Signs Question: What were the signs and symptoms associated with your child's Landau-Kleffner syndrome?
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