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  1. What are the signs of intellectual and development disabilities (IDDs)?

    Aug 9, 2012 · The signs of IDDs vary depending on the condition. A few signs include a delay in motor skills, difficulty remembering things, and challenges solving problems.

  2. About Intellectual and Developmental Disabilities (IDDs)

    Aug 12, 2012 · IDDs are disorders that are usually present at birth and that uniquely affect the trajectory of the individual’s physical, intellectual, and/or emotional development.

  3. Eunice Kennedy Shriver National Institute of Child Health and Human ...

    Aug 25, 2020 · IDDs are differences that are usually present at birth and that uniquely affect the trajectory of the individual’s physical, intellectual, and/or emotional development. Many of these …

  4. Eunice Kennedy Shriver National Institute of Child Health and Human ...

    Nov 22, 2023 · Down syndrome is a set of cognitive and physical symptoms that result from having an extra chromosome 21 or an extra piece of that chromosome. It is the most common chromosomal …

  5. What are the symptoms of Fragile X syndrome? - NICHD

    People with Fragile X have some symptoms in common, including intellectual problems, physical features unique to this syndrome, behavioral challenges, speech and language problems, and …

  6. Eunice Kennedy Shriver National Institute of Child Health and Human ...

    Nov 7, 2013 · Fragile X syndrome is the most common form of inherited intellectual and developmental disability (IDD). People with Fragile X syndrome may not have noticeable symptoms, or they can …

  7. What are some signs of learning disabilities? - NICHD

    Mar 6, 2017 · Many children have trouble reading, writing, or performing other learning-related tasks at some point. This does not mean they have learning disabilities. A child with a learning disability often …

  8. Down Syndrome | NICHD - NICHD - Eunice Kennedy Shriver National ...

    Down syndrome is a set of cognitive and physical symptoms that result from having an extra chromosome 21 or an extra piece of that chromosome. It is the most common chromosomal cause of …

  9. Eunice Kennedy Shriver National Institute of Child Health and Human ...

    May 15, 2012 · What are common treatments for phenylketonuria (PKU)? PKU has no cure, but treatment can prevent intellectual disabilities and other health problems. 1 A person with PKU should …

  10. What are the symptoms of Down syndrome? - NICHD

    Intellectual and Developmental Symptoms Cognitive impairment, or problems with thinking and learning, is common in people with Down syndrome and usually ranges from mild to moderate.