Related Experiment Video
Updated: May 20, 2025
06:58
Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing
Published on: January 24, 2020
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Cognitive Performance Among Older Adults with Subjective Cognitive Decline
Ramón López-Higes1, Susana Rubio-Valdehita2, David López-Sanz1,3
1Departamento de Psicología Experimental, Complutense University of Madrid (UCM), 28223 Madrid, Spain.
Geriatrics (Basel, Switzerland)
|March 24, 2025
Summary
Older adults with subjective cognitive decline (SCD) show subtle but significant differences in memory and executive functions compared to cognitively healthy individuals. These cognitive changes, particularly in inhibitory control, may help identify individuals with SCD.
Area of Science:
- Neuroscience
- Gerontology
- Cognitive Psychology
Background:
- Subjective cognitive decline (SCD) is a growing concern in aging populations.
- Early identification of cognitive changes is crucial for timely intervention.
- Understanding the neuropsychological profile of SCD is essential for differentiating it from normal aging.
Purpose of the Study:
- To compare cognitive functions between older adults with SCD and cognitively intact controls.
- To identify specific neuropsychological markers associated with SCD.
- To develop a clinical tool for differentiating SCD from normal cognition.
Main Methods:
- Cross-sectional study comparing matched groups of 33 individuals each (SCD vs. controls).
- Extensive neuropsychological evaluation including memory, executive functions, and language.
- Statistical analyses including logistic regression and ROC analysis.
Main Results:
- SCD group exhibited significantly lower scores in delayed recall, inhibitory control, and sentence comprehension.
- Lower performance on Stroop's interference task was associated with a higher likelihood of SCD.
- A cut-off score of 49 on the Stroop's interference condition demonstrated clinical utility in differentiating groups.
Conclusions:
- Older adults with SCD demonstrate subtle yet significant neuropsychological deficits compared to matched controls.
- Inhibitory control, specifically performance on the Stroop task, may serve as a key indicator for SCD.
- Neuropsychological assessment can aid in the clinical differentiation of SCD.
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