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  1. Angelman syndrome - Symptoms and causes - Mayo Clinic

    Mar 8, 2024 · Angelman syndrome is a condition caused by a change in a gene, called a genetic change. Angelman syndrome causes delayed development, problems with speech and balance, …

  2. Angelman syndrome - Wikipedia

    Angelman syndrome (AS) is a rare genetic disorder that affects approximately 1 in 15,000 individuals. [9] AS impairs the function of the nervous system, producing symptoms such as severe intellectual …

  3. Angelman Syndrome: What It Is, Symptoms & Treatment

    What is Angelman syndrome? Angelman syndrome causes distinct facial characteristics in addition to other symptoms. Angelman syndrome is a rare genetic condition that affects your child’s …

  4. Angelman Syndrome - National Institute of Neurological Disorders and Stroke

    Jul 19, 2024 · Angelman syndrome is a genetic disorder that primarily affects the nervous system. The disorder is named after Dr. Harry Angelman who first reported the syndrome in 1965.

  5. What Is Angelman Syndrome? - WebMD

    Feb 27, 2025 · Angelman syndrome is a genetic disorder causing developmental delays, speech issues, balance problems, seizures, and frequent smiling and laughter.

  6. About Angelman syndrome - Angelman Syndrome Foundation

    Angelman syndrome (AS) is a rare neuro-genetic disorder that occurs in one in 15,000 live births or 500,000 people worldwide. It is caused by a loss of function of the UBE3A gene in the 15th …

  7. Angelman Syndrome - American Brain Foundation

    What is Angelman syndrome? Angelman syndrome (AS) is a rare neurogenetic disorder affecting at least 1 in every 15,000 people, or 500,000 worldwide. AS is often first detected between 6 and 12 …

  8. What Is Angelman Syndrome? - FAST

    Angelman syndrome (AS) is a rare neurogenetic disorder that affects about one in 15,000 people, or approximately 500,000 individuals worldwide. Some say it could be as frequent as one in 8,000 …

  9. Angelman syndrome | Description, Cause, Symptoms, & Treatment

    Nov 1, 2025 · Angelman syndrome, rare genetic disorder that affects the nervous system. The syndrome is named for English physician Harry Angelman, who first described its characteristic symptoms in …

  10. Angelman syndrome: MedlinePlus Genetics

    Angelman syndrome is a complex genetic disorder that primarily affects the nervous system. Characteristic features of this condition include delayed development, intellectual disability, severe …