Sensory Perception and Cognitive Aging
Author Information
Author(s): Kannan Lakshmi, Lelo de Larrea-Mancera Esteban Sebastian, Maniglia Marcello, Vodyanyk Mariya M., Gallun Frederick J., Jaeggi Susanne M., Seitz Aaron R.
Primary Institution: Northeastern University
Hypothesis
Declines in sensory/perceptual systems predate cognitive declines in aging and are predictive of developing Alzheimer's disease.
Conclusion
Broad assessment of sensory functions could aid in early detection of Alzheimer's disease and improve daily functioning in older adults.
Supporting Evidence
- Approximately 25% of older adults will experience hearing loss.
- 12% of older adults will experience vision loss.
- Dual sensory loss affects about 11% of the population.
- Sensory losses can lead to social isolation and depression.
- Declines in sensory systems are predictive of developing Alzheimer's disease.
Takeaway
As people get older, their senses like hearing and vision can get worse, which might make it harder for them to think and remember things. If we check these senses early, we might help people stay healthy longer.
Methodology
The article reviews existing literature on the relationships between sensory loss, cognitive aging, and Alzheimer's disease.
Potential Biases
The study may be limited by the fragmented healthcare systems that separate sensory assessments.
Limitations
Current assessments of sensory and cognitive functions are often not standardized and lack normative data.
Participant Demographics
The study focuses on older adults, particularly those aged 65 and above.
Digital Object Identifier (DOI)
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