Autism Spectrum Disorder is a brain development disorder characterized by impaired social interaction and communication, and by restricted and repetitive behavior. These Autism Symptoms all begin before a child is three years old. Autism involves many parts of the brain, how this occurs is not well understood. Recognizing the Signs of Autistic at Childhood may be the best to early find solution for the right treatment and therapy .
The two other Autism Spectrum Disorders (ASD) are :
1. Asperger syndrome, which lacks delays in cognitive development and language
2. PDD-NOS, diagnosed when full criteria for the other two disorders are not met
Autism has a strong genetic basis, although the genetics of autism are complex and it is unclear whether ASD is explained more by rare mutations, or by rare combinations of common genetic variants. In rare cases, autism is strongly associated with agents that cause birth defects.
Controversies surround other proposed environmental causes, such as heavy metals, pesticides or childhood vaccines; the vaccine hypotheses are biologically implausible and lack convincing scientific evidence.
The prevalence of ASD is about 6 per 1,000 people, with about four times as many males as females.
The number of people known to have autism has increased dramatically since the 1980s, partly due to changes in diagnostic practice, the question of whether actual prevalence has increased is unresolved.
Not many children with autism live independently after reaching adulthood, though some become successful. An autistic culture has developed, with some individuals seeking a cure and others believing autism should be tolerated as a difference and not treated as a disorder
Controversies surround other proposed environmental causes, such as heavy metals, pesticides or childhood vaccines; the vaccine hypotheses are biologically implausible and lack convincing scientific evidence.
The prevalence of ASD is about 6 per 1,000 people, with about four times as many males as females.
The number of people known to have autism has increased dramatically since the 1980s, partly due to changes in diagnostic practice, the question of whether actual prevalence has increased is unresolved.
Not many children with autism live independently after reaching adulthood, though some become successful. An autistic culture has developed, with some individuals seeking a cure and others believing autism should be tolerated as a difference and not treated as a disorder
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