Definition of PDD

1. Initialism. (psychology) (initialism of pervasive developmental disorder) ¹

¹ Source: wiktionary.com

Medical Definition of PDD

1. A large group of developmental disabilities which are neurological disorders, usually of unknown cause. Characteristics include reduced abilities to understand language and communicate normally, reduced ability to socially interact with others in a normal manner, and limited variety in activities and interests. Individuals will also often respond in unusual ways to sensations, engage in repetitive activities, and resist changes to the environment or to daily routines. Types of pervasive development disorder include autism, Retts Syndrome, Hellers Syndrome, and Aspergers Syndrome. Acronym: PDD (12 Jan 1998)

Lexicographical Neighbors of PDD

PCT
PCTAIRE-2 protein kinase
PCV
PCWP
PC Card
PC Plod
PC Plods
PC board
PCness
PD
PDA
PDAs
PDB
PDC
PDCA
PDD (current term)
PDD-NOS
PDE
PDE4D3 phosphodiesterase
PDF
PDFLP
PDFs
PDGF
PDGFs
PDI
PDL
PDLC
PDLCs
PDLL
PDM

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