all autism spectrum disorders (ASD)), childhood disintegrative disorder (CDD), overactive disorder associated with mental retardation and stereotyped movements and Rett syndrome. Group of disorders characterized by delays in the development of socialization and communication skills typical age of onset is before 3 years of age symptoms may include problems with using and understanding language difficulty relating to people, objects, and events unusual play with toys and other objects difficulty with changes in routine or familiar surroundings, and repetitive body movements or behavior patterns autism is the most characteristic and best studied pdd other types of pdd include asperger syndrome, childhood disintegrative disorder, and rett syndrome prefer nts where possible. The pervasive developmental disorders were autism, Asperger syndrome, pervasive developmental disorder not otherwise specified (PDD-NOS, i.e.Broad term for disorders, usually first diagnosed in children prior to age 4, characterized by severe and profound impairment in social interaction, communication, and the presence of stereotyped behaviors, interests, and activities.
These disorders can be associated with general medical or genetic conditions. The impairments are incongruent with the individual's developmental level or mental age. A category of developmental disorders characterized by impaired communication and socialization skills.Pervasive developmental disorder of residual state Autism spectrum disorder (previously known as pervasive developmental disorders) is characterized by social communication deficits, impaired functioning, and restrictive or repetitive behaviors and interests.
#PERVASIVE DEVELOPMENTAL DISORDER SPECTRUM MANUAL#
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