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skos:definition |
MSH: Disorders in which there is a delay in development based on that expected for a given age level or stage of development. These impairments or disabilities originate before age 18, may be expected to continue indefinitely, and constitute a substantial impairment. Biological and nonbiological factors are involved in these disorders. (From American Psychiatric Glossary, 6th ed),MEDLINEPLUS: <p>Developmental disabilities are birth defects that cause lifelong problems with how a body part or system works. They include </p><ul><li> Nervous system disabilities affecting how the brain, spinal cord and nervous system function. They cause mental retardation, including <a href='http://www.nlm.nih.gov/medlineplus/downsyndrome.html'>Down syndrome</a> and <a href='http://www.nlm.nih.gov/medlineplus/fragilexsyndrome.html'>fragile X syndrome</a>. They also cause learning and behavioral disorders, such as <a href='http://www.nlm.nih.gov/medlineplus/autism.html'>autism</a></li><li> Sensory-related disabilities, which can
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