Intellectual Disability, Mild Cognitive Impairment, and Risk for Dementia

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Abstract
People with intellectual disability (ID) are living longer than ever before, raising concerns about old‐age‐associated disorders. Dementia is among the most serious of these disorders, and theories relating cognitive reserve to risk predict that older adults with ID should be particularly vulnerable. Previous estimates of relative risk for dementia associated with ID have been inconsistent, and the present analyses examined the possible influence of variation in diagnostic criteria on findings. As expected, relaxation in the stringency of case definition for adults with ID increased relative risk, underscoring the importance of developing valid criteria for defining mild cognitive impairment and early dementia and distinguishing between the two in adults with ID. Once available, these standards will contribute to more effective evidence‐based planning.
Funding Information
  • NIH (P01 HD035897, R01 AG037212, P01 AG007232, P30 HD024061)

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