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David Paul Ausubel (October 25, 1918 – July 9, 2008) was an American psychologist. His most significant contribution to the fields of educational psychology , cognitive science, and science education learning was on the development and research on " advance organizers " (see below) since 1960.
The average IQ of a young adult with Down syndrome is 50, equivalent to the mental age of an 8- or 9-year-old child, but this number varies widely. At the same time, they enjoy a rich social and emotional awareness. Down syndrome is the most common chromosome abnormality in humans, occurring in about one per 1000 babies born each year.
Down syndrome or Down's syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [3] It is usually associated with developmental delays, mild to moderate intellectual disability, and characteristic physical features. [1] [12] There are three types of Down syndrome, the ...
Down syndrome research. Research of Down syndrome-related genes is based on studying the genes located on chromosome 21. In general, this leads to an overexpression of the genes. [1] [2] Understanding the genes involved may help to target medical treatment to individuals with Down syndrome. It is estimated that chromosome 21 contains 200 to 250 ...
Al Roker and Kelly Clarkson Getty Images (2) Al Roker isn’t here for people shaming Kelly Clarkson over her decision to take medication to lose weight. “There’s too much judgment going on ...
On her Chromatica Ball stadium tour, the Grammy winner performed 20 shows across the world, including the U.S., Japan, the U.K., Germany, and the Netherlands, in support of her chart-topping 2020 ...
John Langdon Down. John Langdon Haydon Down (18 November 1828 – 7 October 1896) was a British physician best known for his description of the genetic condition now known as Down syndrome, which he originally classified in 1862. He is also noted for his work in social medicine and as a pioneer in the care of mentally disabled patients.
Lianne Kolirin, CNN. May 23, 2024 at 11:20 AM. Hundreds of mammoth bones have been uncovered in an Austrian wine cellar, in a discovery labelled an “archaeological sensation.”. The remains are ...