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The following are the most common indicators of Landau-Kleffner syndrome. However, each individual may experience symptoms differently.

• Early signs may be referred to as auditory agnosia, which includes the child:
  • suddenly having problems understanding what is said.
  • appearing to have problems with hearing – deafness may be suspected.
  • appearing to be autistic or developmentally delayed.
• Spoken language is eventually affected, which may lead to complete loss of the ability to speak.
• Some children develop their own method of communicating, such as with gestures or signs.

Approximately 80 percent of children with Landau-Kleffner syndrome have a history of one or more epileptic seizures that usually occur at night.

All children with Landau-Kleffner syndrome have abnormal electrical brain wave activity on both sides of the brain.

Hearing and intelligence usually are confirmed to be normal in children with Landau-Kleffner syndrome. However, the disorder may be accompanied by behavior or psychological problems such as:

• hyperactivity
• aggressiveness
• depression

The symptoms of Landau-Kleffner syndrome may resemble other conditions or medical problems, such as deafness or learning disabilities. Always consult your physician for a diagnosis.

This entry was posted on Thursday, March 22nd, 2007 at 1:49 pm and is filed under Landau-Kleffner Syndrome.