The Autism Spectrum Disorder (ASD): How Much do we Know?

The autistic spectrum disorder (AED) is a disorder that was first included in the manual for the diagnosis and classification of mental illness in the year 1980 in DSM-III, later this disorder remained within Of a major chapter called generalized developmental disorders, where there was a more extensive subclassification; Which consisted of describing disorders such as Autistic Disorder, Asperger's Syndrome, Childhood Disintegrative Syndrome or Heller Syndrome, Rett Syndrome, and generalized unspecified developmental disorder