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Definition
By Mayo Clinic staffAngelman syndrome is a genetic disorder that causes developmental disabilities and neurological problems, such as difficulty speaking, balancing and walking and, in some cases, seizures. Frequent smiles and outbursts of laughter are common for people with Angelman syndrome, and many have happy, excitable personalities.
If your child has Angelman syndrome, you may not see any signs at birth. Angelman syndrome usually isn't detected until parents begin to notice developmental delays when a baby is about 9 to 12 months old. Seizures often begin when a child is between 2 and 3 years old.
There's no cure for Angelman syndrome. Treatment for Angelman syndrome often includes medication and other therapies.
