Autism Spectrum Disorder
Many children show symptoms from birth. They might arch their back while holding them to avoid any physical contact with the person holding them. Other children appear normal until about 12-18 months (Goldman, 2003, p.853).about half of parents start to …show more content…
Autism could be caused by several different ways. The main way a child ends up with autism would be hereditary and scientist are still not sure exactly which genes or gene are responsible (Freitag, 2007, p.214). Scientist can not trace it to a single gene or single chromosome, but there may be interactions among mutations between several genes causing this disorder. In some cases they are associated with agents that cause birth defects (Rodie, 2005, p.119). Another cause have been proposed but has not been proven through scientific evidence and that is exposure to vaccines.
Other Types Autism is one the five pervasive developmental disorders, which are characterized by widespread abnormalities of social interaction, communication, severely restricted interest, and highly repetitive behavior (World Health Organization, 2006, p.1). Another pervasive development disorder is Asperger syndrome which closely relates to