Information from the National Institute of Mental Health and the Center for Disease Control and Prevention (CDC) indicates that between 2 to 6 per 1,000 children (from 1 in 500 to 1 in 150) have some form of autism/PDD. These disorders are four times more common in boys than in girls,...
Such learning, however, seems to be without any appreciation of the meaning of these materials. There is usually minimal evidence of spontaneous speech that serves a communicative function The Desire for Sameness Kanner and others have noted that autistic children seem to display an anxious desire ...