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Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
Published on: April 23, 2021
"Vascular depression" predicts verbal fluency in older adults
Brian P Yochim1, Susan E MacNeill, Peter A Lichtenberg
1VA Northern California Health Care System, Martinez, 94553, USA. Brian.Yochim@va.gov
Journal of Clinical and Experimental Neuropsychology
|April 21, 2006
Summary
Depression significantly impacts verbal fluency in older adults, independent of other health factors. This suggests depression may indicate underlying brain changes in seniors.
Area of Science:
- Geriatric Medicine
- Neuroscience
- Psychiatry
Background:
- Previous studies link cerebrovascular risk factors (CVRFs), depression, and cognitive decline in older adults.
- Understanding the predictive relationship between CVRFs, depression, and cognition is crucial for geriatric care.
Purpose of the Study:
- To determine if baseline cerebrovascular burden and depression predict verbal fluency at 3 and 6 months post-assessment.
- To investigate the independent contribution of depression and CVRFs to cognitive function in older adults.
Main Methods:
- 139 medical rehabilitation patients aged 60+ were assessed.
- Evaluated baseline Geriatric Depression Scale, Charlson Co-Morbidity Index, and Dementia Rating Scale.
- Measured verbal fluency at baseline, 3 months, and 6 months using structural equation modeling.
Main Results:
- Depression significantly predicted verbal fluency at both 3 and 6 months.
- This prediction remained significant even after accounting for demographics, baseline cognition, and medical burden.
- CVRFs correlated with depressive symptoms but did not independently predict verbal fluency.
Conclusions:
- Depression is a significant predictor of verbal fluency decline in older adults.
- Findings support the concept of vascular depression as a potential indicator of impaired brain integrity.
- Interventions targeting depression may be vital for maintaining cognitive function in elderly populations.
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