Abstract
There are different scales for autism evaluation, which will be necessaries while do not find biological markers. Diverse authors have referred to the difficulties for the diagnosis of the autism; some of them are inherent to the disorder itself, others to the persons who surround the child. Many myths about autism are assumed as certain, between them: a child with autism is not affectionate, a child with autism always auto stimulated and auto injures. A child with autism does not tool and not answer questions. Approximately 70 per cent of the children with autism have some form of language. Therefore, it is necessary to be alert to the autistic spectrum.
There are many scales to evaluate autism. The scale of evolutionary poll, Bayley scales of infant development (BSID), is the the most documented and used scale for development in clinical and investigative setting. Is possible evaluate children under three years old in three domains: mental, motor, and behavioral. The screening scale specific for autism, Checklist for autism in toddlers (CHAT) was published from 1992; it constitutes the principal tool for the screening of autism, in children between 18-36 months. The scale of diagnosis, Autism diagnostic interview-revised (ADI-R.) was published in 1989. Designed by a group of clinical experts in the field of the autism is well correlated with CIE-10 and DSM-IV classification, but must be realized for a trained professional, and leads to scores that correspond to autism or disorders of the autistic spectrum. The LEITER-R is the most recommended scale to achieve the intention of evaluating the intellectual profile of the persons with autism, though also it uses for other types of intellectual disability.
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