Early Childhood Intervention: Module Two – Special Needs & Conditions

Category — 2.1 Children with Pervasive Developmental Disorders (PDD): PDD-NOS

Children with PDD-NOS, or Pervasive Developmental Disorder – Not Otherwise Specified or PDD-NOS

Children with PDD-NOS exhibit some of the symptoms of ASD, to some degree or another, but do not fit into any of the previously mentioned categories of autism.


Most of these children usually have average or above-average intelligence and they are usually diagnosed much later in life than children with standard ASD. Some children with autism may be diagnosed with Multiplex Syndrome, that is, a combination of autism and schizophrenia or autism and obsessive compulsive disorder. Intervention plans for these children need to be based on a functional analysis assessment. This assessment will focus on trying to understand the specific difficulties for children with multiplex syndrome, and particularly in the cognitive, social, emotional and behavioral areas.

Intervention options

Intervention options are strategies, programs and resources that are available for parents and for service providers working with children with additional needs, and the professionals working with children and families:

Interventionists working with children with PDD include the following:

1. More than 400 known intervention options for parents to explore from the Interactive Autism Network, Yale Child Stucy Center: http://www.iancommunity.org/cs/therapies_treatments/


March 1, 2011   No Comments