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Aging in adults with intellectual disabilities
Diana B Burt1, Sharon Primeaux-Hart, Katherine A Loveland
1University of Texas Medical School-Houston, USA. dbburt@chorus.net
American Journal of Mental Retardation : AJMR
|June 9, 2005
Summary
Adults with Down syndrome may experience earlier aging, particularly in verbal fluency and fine motor skills. Further research should consider factors like intellectual level and psychiatric status in aging studies.
Area of Science:
- Gerontology
- Neuropsychology
- Genetics
Background:
- Aging is a complex process influenced by various factors.
- Down syndrome is associated with an increased risk of early-onset Alzheimer's disease and other aging-related conditions.
- Understanding aging trajectories in individuals with Down syndrome is crucial for targeted interventions.
Purpose of the Study:
- To examine age-related changes in adults with and without Down syndrome using a cross-sequential design.
- To investigate potential evidence of precocious aging in adults with Down syndrome.
- To identify factors influencing cognitive and functional performance in aging adults.
Main Methods:
- A cross-sequential research design was employed.
- Annual neuropsychological and medical evaluations were conducted over a period of time.
- Participants included adults with Down syndrome (n=55) and without Down syndrome (n=75).
Main Results:
- Evidence for precocious aging in adults with Down syndrome was observed specifically in verbal fluency tasks.
- Weaker support for precocious aging was found in fine-motor skills.
- Cross-sectional age differences were noted in memory and community living skills across all participants.
- Intellectual level, gender, and psychiatric status significantly correlated with performance.
Conclusions:
- Findings suggest a nuanced pattern of precocious aging in adults with Down syndrome, primarily affecting verbal fluency.
- The study highlights the importance of considering mediating variables such as intellectual functioning, gender, and psychiatric status in aging research.
- Further investigation into these factors is recommended for a comprehensive understanding of aging in diverse populations.
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