Autism spectrum disorder (ASD) is a general term for a group of complex disorders of brain development. They can be categorized, in many ways, by difficulties in social interaction, verbal and nonverbal communication and repetitive behaviors. ASD can be associated with intellectual disability, difficulties in motor coordination and attention and physical health issues such as sleep and gastrointestinal disturbances. Some people with ASD thrive in music, math, visual skills and art. The acute signs of autism and symptoms of autism tend to appear between the ages of 2 to 3 years old. (Autism Speaks)
Figure 1 shows the variants of autism spectrum disorders. In many cases children are either diagnosed with either Autism or PDD-NOS (Pervasive developmental disorder not otherwise specified). Statistics from the U.S. Centers for Disease Control and Prevention (CDC) identify around 1 in 88 American children are diagnosed with autism, additionally exhibiting that autism is four to five times more prevalent among boys than girls. Regime autism statistics suggest that prevalence rates have incremented 10 to 17 percent annually in recent years. ...
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...was diagnosed with PDD-NOS, which is a type of autistic disorder that is utilized for "rigorous and pervasive impairment in the development of reciprocal convivial interaction, but the criteria are not met for a categorical autistic disorder.
In the early components of this year, his parents had genetics test done on him to optically discern if his twin brother could possibly have the trait to have autism. It was found that he has the Fragile X Syndrome. Fragile X syndrome is associated with the expansion of the CGG trinucleotide reiterate affecting the Fragile X mental retardation 1 (FMR1) gene on the X chromosome, resulting in a failure to express the fragile X mental retardation protein (FMRP), which is required for mundane neural development. Absence of FMRP in turn leads to abnormalities in brain development and function.
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- Autism Spectrum Disorder is a neurological disorder that affects behavioral development. Symptoms of autism arise in early childhood, around the time that children start getting vaccinated. For many years people strongly believed that vaccinations caused autism because around that time children began showing the common signs of the disorder; however this belief is false (Rodier, 1998, p. 122). The early childhood vaccinations that children receive do not cause autism. A direct cause for autism has not yet been determined.... [tags: Autism, Genetics, Mutation, Autism spectrum]
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