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 Pervasive developmental disorder in children


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This website is a informational site for parents of children with PDD.

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The information gathered for this web site is from Wikipedia "the free-content encyclopedia".


The diagnostic category pervasive developmental disorders (PDD),

 as opposed to specific developmental disorders (SDD), refers to a

group of disorders characterized by delays in the development of

multiple basic functions including socialization and communication.

The most commonly known PDD is autism. Parents may note symptoms

 of PDD as early as infancy and typically onset is prior to 3 years of age.

 PDD itself generally does not affect life expectancy.


Symptoms of PDD may include communication problems such as:

Difficulty 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

Repetitive body movements or behavior patterns


Types and degrees


Autism, a developmental brain disorder characterized by impaired social interaction and

communication skills, and limited range of activities and interests, is the most

characteristic and best studied PDD. Other types of PDD include Asperger's syndrome,

childhood disintegrative disorder, Rett syndrome, and PDD not otherwise specified.

Children with PDD vary widely in abilities, intelligence, and behaviors. Some children do not

speak at all, others speak in limited phrases or conversations, and some have relatively normal

language development. Repetitive play skills and limited social skills are generally evident as well.

Unusual responses to sensory information loud noises, lights are also common.

Diagnosis in early childhood


Some clinicians use PDD-NOS as a "temporary" diagnosis for children under the age of 5, when

for whatever reason there is a reluctance to diagnose autism. There are several justifications

for this: very young children have limited social interaction and communication skills to begin

with, therefore it can be tricky to diagnose milder cases of autism in toddler hood. The unspoken

assumption is that by the age of 5, unusual behaviors will either resolve or develop into diagno-

sable autism. However, some parents view the PDD label as no more than a euphemism for

autistic spectrum disorders, problematic because this label makes it more difficult to receive

aid for early intervention.


Cure and care


There is no known cure for PDD. Medications are used to address certain behavioral problems;

therapy for children with PDD should be specialized according to the child's specific needs.

Some children with PDD benefit from specialized classrooms in which the class size is small and

instruction is given on a one-to-one basis. Others function well in standard special education

classes or regular classes with support. Early intervention including appropriate and specialized

educational programs and support services plays a critical role in improving the outcome of individuals

with PDD.


                                      Pervasive developmental disorders / Autistic spectrum


Asperger syndrome                       Sensory Integration Dysfunction            

Asperger's History                        Views on Sensory Integration Dysfunction   

Asperger's clinical perspective        References and External Links                                    

Treatment's for Asperger's                                                                                              

Notable Cases


Childhood Bipolar Disorder

Systems and Prevalence

Causes and Related Disorders

References and External Links


Other Disorders



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September 18, 2015


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