Pervasive Developmental Disorders PDD

The differentiation between pervasive developmental disorders (PDD) and ADHD may appear obvious. However, many children who have these disorders in various degrees of severity also exhibit symptoms of ADHD and even respond well to psychostimulants. This is especially true of Asperger's syndrome, which is more elusive from a diagnostic point of view than the other syndromes belonging to this group. Since the main characteristics of Asperger's syndrome include severe and persistent disturbances...