Год издания: 2007
Издатель: Nova Science Publishers
Количество страниц: 182
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Mental retardation is a term used when a person has certain limitations in mental functioning and in skills such as communicating, taking care of him or herself, and social skills. These limitations will cause a child to learn and develop more slowly than a typical child. Children with mental retardation may take longer to learn to speak, walk, and take care of their personal needs such as dressing or eating. They are likely to have trouble learning in school. They will learn, but it will take them longer. There may be some things they cannot learn. The most common causes of mental retardation are: genetic conditions - sometimes mental retardation is caused by abnormal genes inherited from parents, errors when genes combine, or other reasons (Examples of genetic conditions are Down syndrome, fragile X syndrome, and phenylketonuria (PKU)); and problems during pregnancy - mental retardation can result when the baby does not develop inside the mother properly (For example, there may be a...