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Severe intellectual disability is a category of intellectual disability defined within the IQ range of 20-34.[1] They often need daily care and support. Only 3-4% of people with intellectual disability fall into the severe range.[2]
Diagnosis should include adaptive functioning skills as well as IQ. A loved one can fill out an adaptive behavior rating scale. Diagnosis will involve IQ, adaptive behavior, and the examiner's observations of the person.
Abilities and needs[]
An adult with a severe intellectual disability will have abilities similar to those of a typically-developing person between 3 and 6 years old.[3] They may be more advanced in some skill areas than others.
While people with severe intellectual disability often understand speech, their communication abilities are limited.[2] They may use gestures, words, and short phrases to communicate.[3] They may have a slow processing speed, meaning they need more time to think in a conversation.
They can often learn daily routines and some simple self-care skills.[2] However, they will need daily care and support.
See also[]
References[]
- ↑ Johnson, Shannon. What You Should Know About Intellectual Disability, Healthline
- ↑ 2.0 2.1 2.2 Gluck, Samantha. Mild, Moderate, Severe Intellectual Disability Differences, Healthy Place.
- ↑ 3.0 3.1 Intellectual Disability, Cleveland Clinic