Clinical Dementia Rating
Information about Clinical Dementia Rating
The Clinical Dementia Rating or CDR is a numeric scale used to quantify the severity of symptoms of dementia (i.e. its 'stage').
Using a structured-interview protocol developed by John C. Morris and colleagues at Washington University School of Medicine, a qualified health professional assesses a patient's cognitive and functional performance in six areas: memory, orientation, judgment & problem solving, community affairs, home & hobbies, and personal care. Scores in each of these are combined to obtain a composite score ranging from 0 through 3.[1]
Qualitative equivalences are as follows:[2]
CDR is credited with being able to discern very mild impairments, but its weaknesses include the amount of time it takes to administer, its ultimate reliance on subjective assessment, and relative inability to capture changes over time.[3]
Using a structured-interview protocol developed by John C. Morris and colleagues at Washington University School of Medicine, a qualified health professional assesses a patient's cognitive and functional performance in six areas: memory, orientation, judgment & problem solving, community affairs, home & hobbies, and personal care. Scores in each of these are combined to obtain a composite score ranging from 0 through 3.[1]
Qualitative equivalences are as follows:[2]
| Composite Rating | Symptoms |
|---|---|
| 0 | none |
| 0.5 | very mild |
| 1 | mild |
| 2 | moderate |
| 3 | severe |
CDR is credited with being able to discern very mild impairments, but its weaknesses include the amount of time it takes to administer, its ultimate reliance on subjective assessment, and relative inability to capture changes over time.[3]
References
External links
An overview of rating scales used in dementia research Scale can refer to:
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- Scale (computing). See also Scalability.
- Scale (map)
- Scale (ratio)
- Scale factor
- Scale (spatial)
- Scale (zoology)
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The term symptom (from the Greek σύμπτωμα meaning 'chance', 'mishap' or 'casualty', itself derived from συμπιπτω
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Dimentia
Classification & external resources
ICD-10 F 00. -F 07.
ICD-9 290 - 294
DiseasesDB 29283
MedlinePlus 000739
Dementia (from Latin de- "apart, away" + mens (genitive mentis
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Classification & external resources
ICD-10 F 00. -F 07.
ICD-9 290 - 294
DiseasesDB 29283
MedlinePlus 000739
Dementia (from Latin de- "apart, away" + mens (genitive mentis
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Washington University School of Medicine, located in St. Louis, Missouri, is one of the most competitive and highly regarded medical schools and biomedical research institutes in the United States.
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In psychology, memory is an organism's ability to store, retain, and subsequently retrieve information. Traditional studies of memory began in the realms of philosophy, including techniques of artificially enhancing the memory.
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Orientation is a function of the mind involving awareness of three dimensions: time, place and person. Problems with orientation lead to disorientation, and can be due to various conditions, from delirium to intoxication.
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Problem solving forms part of thinking. Considered the most complex of all intellectual functions, problem solving has been defined as higher-order cognitive process that requires the modulation and control of more routine or fundamental skills (Goldstein & Levin, 1987).
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