Definitions for landau-kleffner syndrome

This page provides all possible meanings and translations of the word landau-kleffner syndrome

U.S. National Library of Medicine

  1. Landau-Kleffner Syndrome

    A syndrome characterized by the onset of isolated language dysfunction in otherwise normal children (age of onset 4-7 years) and epileptiform discharges on ELECTROENCEPHALOGRAPHY. Seizures, including atypical absence (EPILEPSY, ABSENCE), complex partial (EPILEPSY, COMPLEX PARTIAL), and other types may occur. The electroencephalographic abnormalities and seizures tend to resolve by puberty. The language disorder may also resolve although some individuals are left with severe language dysfunction, including APHASIA and auditory AGNOSIA. (From Menkes, Textbook of Child Neurology, 5th ed, pp749-50; J Child Neurol 1997 Nov;12(8):489-495)


  1. Landau–Kleffner syndrome

    Landau–Kleffner syndrome — also called infantile acquired aphasia, acquired epileptic aphasia or aphasia with convulsive disorder — is a rare childhood neurological syndrome. It is named after William Landau and Frank Kleffner, who characterized it in 1957 with a diagnosis of six children.


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