Angelman syndrome - Wikipedia
Angelman syndrome (AS) is a genetic disorder that mainly affects the nervous system. [6] . Symptoms include a small head and a specific facial appearance, severe intellectual disability, developmental disability, limited to no functional speech, balance and movement problems, seizures, and sleep problems. [6] .
Angelman syndrome - Symptoms and causes - Mayo Clinic
2024年3月8日 · Angelman syndrome causes delayed development, problems with speech and balance, mental disability, and, sometimes, seizures. Many people with Angelman syndrome smile and laugh often. They tend to be happy and easy to excite. Delays in maturing, called developmental delays, begin between about 6 and 12 months of age.
Angelman Syndrome: What It Is, Symptoms & Treatment - Cleveland Clinic
Children with Angelman syndrome typically have a happy, excitable attitude. They frequently smile, laugh and make hand-flapping motions. Angelman syndrome is named after Dr. Harry Angelman, an English physician who first described the condition in medical literature in 1965.
Angelman Syndrome > Fact Sheets - Yale Medicine
Children with Angelman syndrome often have microcephaly (when the head is smaller than normal), may experience seizures, and typically have a happy demeanor marked by smiling and laughter. Other symptoms and features of the condition tend to appear during childhood after one year of age. Angelman syndrome is a lifelong condition.
Symptoms and Causes – Angelman Syndrome Foundation
Frequent laughing, smiling and easily excitable. Sleep problems. Abnormal sleep-wake cycles and diminished need for sleep. Lack of speech. Infants display lack of cooing or babbling; young children usually use nonverbal methods of communication because conversational speech is either absent or limited to very few words
Angelman syndrome - NHS
Angelman syndrome is a rare genetic condition that affects the nervous system and causes severe physical and learning disabilities. A person with Angelman syndrome will have a near-normal life expectancy, but they will need support throughout their life.
Angelman syndrome - MedlinePlus
Children with Angelman syndrome typically have a happy, excitable demeanor with frequent smiling, laughter, and hand-flapping movements. Hyperactivity and a short attention span are common. Most affected children also have difficulty sleeping and need less sleep than usual.
Symptoms, Causes, and Treatments of Angelman Syndrome
2023年10月9日 · Perhaps the most striking characteristic of Angelman syndrome is happiness. It is a unique behavioral feature in which the affected adult or child will laugh and smile frequently while maintaining a heightened state of cheer and excitability (often typified by hand-flapping or waving movements).
Angelman Syndrome - GeneReviews® - NCBI Bookshelf
1998年9月15日 · Angelman syndrome (AS) is characterized by severe developmental delay or intellectual disability, severe speech impairment, gait ataxia and/or tremulousness of the limbs, and unique behavior with an apparent happy demeanor that includes frequent laughing, smiling, and excitability. Microcephaly and seizures are also common.
Angelman syndrome - ThinkGenetic Foundation
Individuals with Angelman syndrome are often recognized as having a happy and excitable personality, with frequent bouts of laughter, smiling, hand-flapping or waving for no apparent reason. Most individuals with Angelman syndrome have a small head size, called microcephaly , as well as sleep disorders and seizures.