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Visuospatial functioning and spatial orientation in a community-based sample of healthy very old persons
T B Wahlin1, L Bäckman, A Wahlin
1Section of Psychology, Stockholm Gerontology Research Center, Sweden.
Archives of Gerontology and Geriatrics
|November 1, 1993
Summary
Healthy aging adults show declines in visuospatial skills and spatial orientation. Self-paced tasks and later-stage cognitive functions like time recognition may mitigate these age-related changes.
Area of Science:
- Neuroscience
- Gerontology
- Cognitive Psychology
Background:
- Normal aging is associated with cognitive changes, particularly in visuospatial abilities.
- Understanding the trajectory of these changes is crucial for interventions and support.
Purpose of the Study:
- To investigate age-related changes in visuospatial ability and spatial orientation in healthy older adults.
- To examine the impact of task pacing on visuospatial performance.
- To identify factors influencing visuospatial functioning in aging.
Main Methods:
- A population-based sample of 219 healthy older adults (75-96 years) was assessed.
- Visuospatial ability was measured using the modified Block Design Test.
- Spatial orientation was evaluated with the Clock Setting Test and Clock Reading Test.
Main Results:
- Significant age-related deterioration was observed in both visuospatial abilities and spatial orientation.
- Self-paced Block Design performance was superior to paced conditions, with greater benefits for older individuals.
- Clock reading abilities appear to decline later than clock setting abilities in normal aging.
Conclusions:
- Visuospatial functions and spatial orientation decline with age in healthy older adults.
- Self-paced conditions and preserved time recognition may support visuospatial performance in aging.
- Age, Mini Mental State Examination (MMSE) scores, and education are key predictors of visuospatial functioning.