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Medline NLM Definition: A syndrome characterized by multiple abnormalities, MENTAL RETARDATION, and movement disorders. Present usually are skull and other abnormalities, frequent infantile spasms (SPASMS, INFANTILE); easily provoked and prolonged paroxysms of laughter (hence "happy"); jerky puppetlike movements (hence "puppet"); continuous tongue protrusion; motor retardation; ATAXIA; MUSCLE HYPOTONIA; and a peculiar facies. It is associated with maternal deletions of chromosome 15q11-13 and other genetic abnormalities. (From Am J Med Genet 1998 Dec 4;80(4):385-90; Hum Mol Genet 1999 Jan;8(1):129-35)
Angelman Syndrome: factsheet from NINDS, the National Institute of Neurological Disorders and Stroke (US site)
Angelman Syndrome: information from the NHS website
Angelman Syndrome: information from NORD, the National Organization for Rare Disorders (US site)
PubMed Medline search on Angelman Syndrome
Support Groups
Contact
The Angelman Syndrome pages contain a wealth of information about the syndrome, and contact details for support groups and charities.
Angelman Syndrome Foundation (US site)
The site provides families with AS education and personal resources, ASF-funded research updates and accomplishments, community and national fundraising events, and more.
Brain and Spine Foundation
Information on living with a neurological condition and on diagnosis. There are publications and resources. The useful glossary of neurological conditions (under 'Information and support') includes links to some other organisations as well as to Brain and Spine Foundation information.
Neurological Alliance
Collective voice for 80 organisations, including stroke and brain injury. Organisations are listed at https://www.neural.org.uk/our-members/, a good place to start if looking for information on those conditions. Site also includes information about living with a neurological condition, a glossary, and information about onset and diagnosis as well as a small set of real life stories.
NHS Inform: brain, nerves and spinal cord
NHS inform is Scotland's national health information service, with the aim of providing the people in Scotland with accurate and relevant information to help them make informed decisions about their own health and the health of the people they care for.