Related Experiment Video
Updated: Apr 29, 2026
10:13
Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
Published on: February 14, 2014
12.4K
Frequent assessments may obscure cognitive decline
1Department of Psychology, University of Virginia.
Psychological Assessment
|May 21, 2014
Summary
Repeated cognitive testing, even with short intervals, can mask age-related cognitive decline. Frequent assessments may artificially inflate cognitive performance, making genuine changes harder to detect in older adults.
Area of Science:
- Cognitive psychology
- Neuroscience
- Gerontology
Background:
- Initial testing effects on cognitive performance are known.
- Limited research exists on the impact of multiple testing occasions beyond the first.
- Understanding frequent assessment effects is crucial for accurate cognitive change measurement.
Purpose of the Study:
- To investigate how additional testing experiences influence the amount of cognitive change over time.
- To determine if the frequency of cognitive assessments affects the detection of cognitive change.
- To analyze the impact of repeated cognitive testing on different age groups.
Main Methods:
- A moderately large sample of adults aged 18–95 participated.
- Participants completed a battery of cognitive tests either 2 or 3 times.
- Multiple regression analyses controlled for the interval between the first and last assessments.
Main Results:
- Cognitive change was less negative in individuals with an intervening assessment.
- Older adults (65–95) showed significantly less decline (-0.06 SD) with an extra test compared to two tests (-0.25 SD).
- Frequent assessments with short intervals may obscure true cognitive changes.
Conclusions:
- Cognitive change, particularly decline, may be underestimated or undetected with frequent cognitive assessments.
- The frequency and interval of cognitive testing are critical factors in interpreting cognitive change over time.
- Further research should consider testing frequency when evaluating cognitive trajectories in aging populations.
More Related Videos
Related Concept Videos
01:30Cognitive Development During Adulthood
1.4K
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
1.4K
01:29Nursing Assessment
8.3K
The two sources for collecting information are primary and secondary. After gathering information, interpretation and validation help to complete the data. The purpose of assessment is to establish data with the initial information, to interpret data about the patient's perceived needs and health problems, and to respond to these problems identified.
The nurse collects all aspects of the patient's health in the initial assessment, establishing priorities for ongoing focused assessments...
The nurse collects all aspects of the patient's health in the initial assessment, establishing priorities for ongoing focused assessments...
8.3K
01:29Alzheimer Disease l: Introduction
21
Alzheimer disease is a chronic, progressive, and irreversible neurodegenerative disorder and the most common cause of dementia in older adults. It leads to gradual neuronal loss, causing cognitive decline, behavioral changes, and loss of functional independence.Risk Factors and EtiologyThe disease is multifactorial. Age is the strongest risk factor, with prevalence doubling every 5 years after age 65. Genetic factors include mutations in genes such as APP, PSEN1, and PSEN2, which are associated...
21
01:26Alzheimer's Disease: Overview
1.7K
Alzheimer's Disease (AD) is a continually advancing neurodegenerative disorder, distinguished by escalating memory loss, cognitive dysfunction, and dementia. The disease unfolds in three stages: preclinical, mild cognitive impairment (MCI), and dementia. Its onset is insidious, and the progression gradual, with the cause not well explained by other disorders.
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
1.7K
01:30Dementia
687
Dementia is a collective term for cognitive disorders primarily affecting memory, thinking, and reasoning. It is not a specific disease but a syndrome, with Alzheimer's disease being the most common cause, accounting for approximately 60-80% of cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia. Dementia affects millions worldwide, particularly older adults, though it is not a normal part of aging.
The progression of dementia is generally gradual....
The progression of dementia is generally gradual....
687
01:22Dementia l: Introduction
33
Dementia is an acquired, progressive syndrome characterized by a decline in multiple cognitive domains severe enough to impair daily functioning and reduce independence. Although memory loss is a central feature, the diagnosis requires additional deficits involving language, executive function, visuospatial skills, judgment, calculation, or abstract reasoning. These cognitive impairments reflect underlying neurodegenerative or vascular processes that gradually disrupt neuronal networks...
33