in the DSM-IV-TR, a residual class consisting of pervasive growth-related disorders marked by handicapped growth of cultural interaction skills correlated with communication problems or stereotypical actions which don’t adapt to the diagnostic standards of other pervasive growth-related disorders, like rett syndrome, Asperger’s disorder, autistic disorder, or childhood disintegrative disorder.
PERVASIVE DEVELOPMENTAL DISORDERS: “Pervasive developmental disorders are quite distressing on their own, combined with a general lack of understanding by the public or friends and family of the afflicted.”