Pervasive developmental disorder not otherwise specified (PDD-NOS): this disorder is referred to as atypical autism, because it is diagnosed when a child shows some, but not all, of the signs of autism. PDD-NOS is the most common of these disorders.
Autism spectrum disorders include Asperger syndrome, autistic disorder, and atypical autism. Learn about autism diagnosis at Everyday Health. Central Nervous System Abnormalities From Fetal Alcohol Spectrum Disorder (FASD) ...
ASDs include autistic disorder, pervasive developmental disorder - not otherwise specified (PDD-NOS, including atypical autism), and Asperger syndrome.
The most common ASDs are autistic disorder, Asperger syndrome, and pervasive developmental disorder not otherwise specified (also known as atypical autism).
Autistic disorder (also called “classic' autism) Asperger syndrome Pervasive Developmental Disorder Not Otherwise Specified (or atypical autism) ...
condition is diagnosed when features of the autism spectrum disorders are noted but the person does not meet diagnostic criteria for the other specific disorders. It is a diagnosis of exclusion. This condition can be thought of as atypical autism as ...
Autistic disorder, sometimes known as 'classic autism'. Asperger syndrome. Pervasive Developmental Disorder - Not Otherwise Specified (PDD-NOS), which is also known as 'atypical autism'. Autistic disorder ...
(classic autism, sometimes called early infantile autism, childhood autism, or Kanner's autism) Asperger disorder (also known as Asperger syndrome) Pervasive developmental disorder-not otherwise specified (PDD-NOS), including atypical autism ...
As opposed to specific developmental disorders, PDD refers to a group of five disorders: - Pervasive developmental disorder not otherwise specified (PDD-NOS), which includes atypical autism, and is the most common.
Childhood disintegrative disorder (rare condition where a child learns skills, then loses them by age 10) Pervasive developmental disorder - not otherwise specified (PDD-NOS), also called atypical autism.
See also: Asperger syndrome, Symptom, Autism, Pervasive developmental disorder, Mental Disorders
 
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