Synonyms: Acquired epileptic aphasia | LKS
Landau-Kleffner syndrome (LKS) is an age-related epileptic encephalopathy where developmental regression occurs mainly in the language domain and the electroencephalographic (EEG) abnormalities are mainly localized around the temporal-parietal regions. The term acquired epileptic aphasia describes the main features of this condition.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version July 2026
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Landau-Kleffner syndrome?
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Advocacy Organizations
Access to Life NGO
Our mission is to improve the lives of people affected by genetic epilepsies by empowering patients and families, advancing access to diagnosis and treatment, supporting research, and advocating for equitable, patient-centered care in Ukraine in alignment with global rare disease standards.
Genetic Epilepsy Team Australia
Collaboration of research and care
Legacy Bridges Foundation, Inc
The Legacy Bridges Foundation, Inc. is a 501(c)3 non-profit organization founded to bridge the gap to support, educate and advocate for individuals, families and caregivers of those living with epilepsy and other seizure related disorders. The Legacy Bridges Foundation, Inc. is dedicated to helping champions live a sustainable life through participation of essential supportive programs and service
Mickie?s Miracles
To help families get into Level IV Pediatric Epilepsy Centers for diagnosis and treatment urgently -- and provide support to families for every season of the pediatric epilepsy journey.
Rare Epilepsy Network (REN)
Improving outcomes of people with rare epilepsies through an innovative collaborative infrastructure that drives urgent, patient-centered research, educaiton and advocacy.
Uganda Alliance of Patients Organization
Supporting patients to access quality, safe and patient-centered healthcare services.
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Clinical Trials
For a list of clinical trials in this disease area, please click here.