Rare Psychiatry News
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5 Facts you should know about
Angelman syndrome
1
Angelman syndrome (AS) is characterized by significant developmental delay, severe speech impairment, gait ataxia, and unusual happy demeanor
2
AS is caused by absence of the maternally inherited copy of the UBE3A gene
3
More than 80 percent of individuals with AS have seizures by the time they reach two years of age
4
The characteristic findings of AS are usually diagnosed between 1 and 4 years of age
5
AS is commonly misdiagnosed with Prader-Willi syndrome, autism and cerebral palsy due to the common characteristics these diseases have