What Is Angelman Syndrome?
Angelman Syndrome (AS) is a rare genetic disorder characterized by intellectual disability, sleep disturbances, seizures, lack of speech, and movement and balance disorders. It is caused by a genetic fault on chromosome 15. It is estimated to affect approximately 1 in 15,000 people worldwide.
What Are the Symptoms of Angelman Syndrome?
The symptoms of Angelman Syndrome vary from person to person. Common symptoms include:
• Intellectual disability
• Delayed or absent speech
• Seizures
• Balance and movement difficulties
• Sleep disturbances
• Developmental delays
• Hyperactivity
• Unusual facial features
• Frequent laughter or smiling
• Abnormal jerky movements
• Poor feeding
• Difficulty with coordination and fine motor tasks
What Is Angelman Syndrome Testing?
Angelman Syndrome testing is a set of tests used to diagnose the condition. These tests include genetic testing, chromosomal analysis, and neuropsychological evaluation. Genetic testing is used to look for the genetic fault that causes Angelman Syndrome, while chromosomal analysis examines the structure of chromosome 15. Neuropsychological evaluation is used to assess cognitive functioning.
When Should Angelman Syndrome Testing Be Done?
Angelman Syndrome testing should be done as soon as possible after the child is born. It is important to diagnose the condition early so that appropriate treatment and support can be provided.