A biologically based developmental disorder, lasts throughout one’s lifetime. Although it is most commonly accompanied with mental retardation, can be traced to all IQ levels. Sometimes referred to as a behavioral syndrome, is a collection of symptoms that characteristically occur together. was first diagnosed in 1943, when Leo Kanner was observing a group of eleven children. He introduced the term “early infantile .” In the beginning some thought that autistic children had withdrawn from human contact but in all actuality, they ....