PDD often refers to Pervasive developmental disorder .
PDD may also refer to:
A CD or compact disc is a thin plastic silvery disc for audio recordings.
MDI may refer to:
PID or Pid may refer to:
SPD is the Social Democratic Party of Germany, a political party.
CDA, Cda, or CdA may refer to:
PDF often refers to the Portable Document Format in computing.
SD may refer to:
DDD or Triple D may refer to:
MDF may refer to:
The diagnostic category pervasive developmental disorders (PDD), as opposed to specific developmental disorders (SDD), was a group of disorders characterized by delays in the development of multiple basic functions including socialization and communication. It was defined by the Diagnostic and Statistical Manual of Mental Disorders (DSM), and the International Classification of Diseases (ICD).
PD, P.D., or Pd may refer to:
CDF is a three-letter acronym that may refer to:
Pervasive developmental disorder not otherwise specified (PDD-NOS) is a historic psychiatric diagnosis first defined in 1980 that has since been incorporated into autism spectrum disorder in the DSM-5 (2013) and ICD-11 (2022).
DDP can mean:
The following outline is provided as an overview of and topical guide to autism:
The epidemiology of autism is the study of the incidence and distribution of autism spectrum disorders (ASD). A 2022 systematic review of global prevalence of autism spectrum disorders found a median prevalence of 1% in children in studies published from 2012 to 2021, with a trend of increasing prevalence over time. However, the study's 1% figure may reflect an underestimate of prevalence in low- and middle-income countries.
DLP may refer to:
MED or med may refer to:
A file format is a standard way that information is encoded for storage in a computer file. It specifies how bits are used to encode information in a digital storage medium. File formats may be either proprietary or free.
Classic autism, also known as childhood autism, autistic disorder, (early) infantile autism, infantile psychosis, Kanner's autism,Kanner's syndrome, or just autism, is a neurodevelopmental condition first described by Leo Kanner in 1943. It is characterized by atypical and impaired development in social interaction and communication as well as restricted, repetitive behaviors, activities, and interests. These symptoms first appear in early childhood and persist throughout life.