Reactions to acoustic, visual, tactile and gustatory stimuli and to social contact were
recorded in a group of girls with the Rett syndrome and in two groups of girls fulfilling the
criteria for the infantile autistic syndrome. The autistic syndrome was not found in several
subjects in all the Rett syndrome age groups and, when it was found, it was not of the same
form as in the other subject groups. It was concluded that the behavioral syndrome of autism
is of little value for differential diagnosis between the Rett syndrome and primary infantile …