... is a neurological disorder characterized by moderate to severe intellectual disability that is evident in early childhood. The earliest features are typically delayed development of speech and ...

... characterized by weak muscle tone (hypotonia), mild to severe intellectual disability and delayed development. Expressive language skills (vocabulary and ...

... disorder of brain development that causes moderate to severe intellectual disability and problems with movement. This condition, which occurs ...

... deletion syndrome is a disorder that typically causes severe intellectual disability. Most affected individuals do not speak, or speak ...

... in males and is characterized by moderate to severe intellectual disability. Most people with this condition also have weak ...

... movement abnormalities known as parkinsonism, and mild to severe intellectual disability with impaired language development. Other symptoms may include ...

... exclusively affects males, causing developmental delay, moderate to severe intellectual disability, and distinctive physical features. Individuals with Renpenning syndrome ...

... Patau syndrome, is a chromosomal condition associated with severe intellectual disability and physical abnormalities in many parts of the ...

... a condition characterized by short stature, moderate to severe intellectual disability, distinctive facial features, and broad thumbs and first ...

... Characteristic features of this condition include delayed development, intellectual disability, severe speech impairment, and problems with movement and balance ( ...