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Predicting functional ability in mild cognitive impairment with the Dementia Rating Scale-2
Melanie C Greenaway1, Noah L Duncan, Sherrie Hanna
1Emory University School of Medicine, Atlanta, GA, USA. mcgree3@emory.edu
International Psychogeriatrics
|January 24, 2012
Summary
Cognitive tests, including the Dementia Rating Scale-2 (DRS-2), can predict daily living activities and decision-making skills in individuals with Mild Cognitive Impairment (MCI). These findings highlight the importance of cognitive evaluation for assessing functional abilities in MCI.
Area of Science:
- Neuroscience
- Gerontology
- Cognitive Psychology
Background:
- Mild Cognitive Impairment (MCI) affects daily functioning and decision-making.
- Cognitive evaluation is crucial for understanding functional deficits in MCI.
Purpose of the Study:
- To assess the predictive utility of cognitive evaluation for instrumental activities of daily living (IADLs).
- To determine the role of cognitive tests in predicting decisional ability in MCI.
Main Methods:
- Sixty-seven individuals with single-domain amnestic MCI participated.
- Dementia Rating Scale-2 (DRS-2) and Everyday Cognition assessment were administered.
Main Results:
- DRS-2 Total Scores and specific subscales (Initiation/Perseveration, Memory) predicted IADLs, explaining 19% of variance.
- DRS-2 scores also predicted understanding information and communication abilities, vital for decision-making.
Conclusions:
- Cognitive performance, particularly executive function and memory, is linked to IADLs in MCI.
- Cognitive measures are associated with decision-making capacities in individuals with MCI.
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01:22Dementia l: Introduction
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...
01:30Dementia
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.