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en.wikipedia.org/wiki/Pervasive_developmental_disorder

The diagnostic category pervasive developmental disorders (PDD), as opposed to specific developmental disorders (SDD), refers to a group of five disorders ...

www.autismspeaks.org/what-autism/pdd-nos

PDD-NOS stands for Pervasive Developmental Disorder-Not Otherwise Specified . PDD-NOS was one of several previously separate subtypes of autism that ...

www.webmd.com/brain/autism/development-disorder

Nov 18, 2016 ... Pervasive developmental disorders (PDDs) are now called autism spectrum disorder. Find out what it means.

www.brainbalancecenters.com/blog/2012/02/signs-and-symptoms-of-pdd-nos

Pervasive Developmental Disorder – Not Otherwise Specified is the diagnosis given to those who fall into this category and are generally considered to exhibit ...

childstudycenter.yale.edu/autism/information/pddnos.aspx

Pervasive Developmental Disorder, Not Otherwise Specified (PDD-NOS) is a ' subthreshold' condition in which some - but not all - features of autism or another  ...

www.medicinenet.com/pervasive_development_disorders/article.htm

Read about pervasive development disorder (PDD) causes, signs, symptoms, diagnosis facts and treatment of developmental delays. Autism, Asperger's ...

www.theautismproject.org/asd-resources

Autism is one of five neurological disorders coming under the umbrella of Pervasive Developmental Disorders (PDD). A Pervasive Developmental Disorder is a ...

www.ninds.nih.gov/Disorders/All-Disorders/Pervasive-Developmental-Disorders-Information-Page

The NINDS conducts and supports research on developmental disabilities, including PDD. Much of this research focuses on understanding the neurological  ...

emedicine.medscape.com/article/914683-overview

Apr 6, 2016 ... Historically, pervasive developmental disorder (PDD) described a group of several disparate disorders unified under the main principle of ...