Introduction
Autism or PPD (pervasive developmental disorder) is defined by the Columbia encyclopedia as a rare neurodevelopmental disorder characterized by the inability to relate to and perceive the environment in a realistic manner. The onset of the disorder is in infancy or early childhood, generally before the age of thirty months, and males are affected four times as often as females. Early intervention in cases of children with autism is crucial to obtain better results further along the line for a normal or almost normal development of speech and social interaction.
In 1943, a man…
