This disorder appears between the ages of 6 to 12 months old. Characterized by unusual happy demeanor, giggling or constant smiling, delays in fine motor skills, hyperactivity, sleep problems, poor verbal skills. This is a genetic disorder.
There is no cure for Angelman Syndrome.
Recommended books on this syndrome:
The Official Parent’s Sourcebook on Angelman Syndrome: A Revised and Updated Directory for the Internet Age by ICON Health
Angelman Syndrome (Clinics in Developmental Medicine) by Bernard Dan
Angelman Syndrome – A Medical Dictionary, Bibliography, and Annotated Research Guide to Internet References by Icon
Finding Glory in the Thorns: Hope & Purpose in Life’s Painful Seasons by Lisa Jamieson