Fragile X
Fragile X is a hereditary/genetic condition. Fragile X Syndrome (FXS) is the most common cause of genetically inherited mental impairments that range from subtle learning disabilities to severe cognitive or intellectual challenges like autism or "autistic-like" behaviour.
Symptoms of FXS often include unique physical characteristics, behavioural deficits and delays in speech and language development.
~ Source: National Fragile X Foundation http://www.fragilex.org/html/home.shtml
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Down Syndrome/Trisomy 21
Down Syndrome is a genetic condition, resulting in an extra (21 st) chromosome. The extra chromosome may be derived from either the sperm or the egg. This anomaly causes delays and limitations in a child’s physical and intellectual development. Down syndrome is often called "trisomy 21" because there are three “copies” of the 21st chromosome.
~ Source: Edmonton Down Syndrome Society http://www.edss.ca/
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Rett Syndrome
Rett Syndrome is a neurological disorder found almost exclusively in females across a wide variety of racial and ethnic groups. Although these girls develop normally as infants, they gradually lose the ability to speak or walk, and often move their hands continually in a “wringing” fashion. Approximately 80% of people with Rett Syndrome develop seizures.
~ Source: Epilepsy Ontario http://www.epilepsyontario.org/
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