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Studies on the effectiveness of early detection show that when quality screening tests are used routinely, early detection and early intervention enrollment rates rise to meet prevalence figures identified by the Centers for Disease Control (e.g., see The National Library of Medicine for supporting studies and an example of an effective ...
Developmental disability is a diverse group of chronic conditions, comprising mental or physical impairments that arise before adulthood. Developmental disabilities cause individuals living with them many difficulties in certain areas of life, especially in "language, mobility, learning, self-help, and independent living". [1]
Developmental delay is prevalent in approximately 1-3% of children under the age of 5 worldwide. [5] According to a systematic analysis done for a conducted study in 2016, there are approximately 52.9 million children worldwide under the age of 5 that are affected by some type of developmental delay or delayed milestone.
The Denver Developmental Screening Test was revised in order to increase its detection of language delays, replace items found difficult to use, and address the other concerns listed. [4] There are 125 items over the age range from birth to six years.
Global developmental delay is an umbrella term used when children are significantly delayed in two or more areas of development. It can be diagnosed when a child is delayed in one or more milestones, categorised into motor skills , speech , cognitive skills, and social and emotional development. [ 1 ]
The scientific study of the causes of developmental disorders involves many theories. Some of the major differences between these theories involves whether environment disrupts normal development, if abnormalities are pre-determined, or if they are products of human evolutionary history which become disorders in modern environments (see evolutionary psychiatry). [5]
The Journal of Applied Developmental Psychology (ISSN 0193-3973) provides a forum for the presentation of conceptual, methodological, policy, and research studies involved in the application of behavioral science research in developmental and life span psychology.
The Journal of Intellectual & Developmental Disability is a multidisciplinary journal in the field of intellectual and developmental disability and the official journal of the Australasian Society for Intellectual Disability.