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Defining mild cognitive impairment in Parkinson's disease
Caviness JN, Driver-Dunckley E, Connor DJ, Sabbagh MN, Hentz JG, Noble B, Evidente VG, Shill HA et al.. Movement disorders : official journal of the Movement Disorder Society, 2007-07-01
Topic: Risk, prevention and care in population studies
Our purpose was to characterize a state of mild cognitive impairment (MCI) in Parkinson's disease (PD) (PD-MCI) that would be analogous to the MCI that is posited as a precursor of Alzheimer's disease (AD). We categorized 86 PD subjects in a brain bank population as either cognitively normal (PD-CogNL), PD-MCI using criteria that included a 1.5 standard deviation or greater deficit upon neuropsychological testing consistently across at least one cognitive domain without dementia, and PD dementia (PD-D) using DSM-IV criteria. Twenty-one percent of our PD sample met criteria for PD-MCI, 62% were PD-CogNL, and 17% had PD-D.
Cite this study APA, Vancouver, BibTeX · download .bib or .ris
APA 7th
Caviness, J. N., Driver-Dunckley, E., Connor, D. J., Sabbagh, M. N., Hentz, J. G., Noble, B., et al. (2007). Defining mild cognitive impairment in Parkinson's disease. Movement disorders : official journal of the Movement Disorder Society. https://doi.org/10.1002/mds.21453
Vancouver
Caviness JN, Driver-Dunckley E, Connor DJ, Sabbagh MN, Hentz JG, Noble B, et al. Defining mild cognitive impairment in Parkinson's disease. Movement disorders : official journal of the Movement Disorder Society. 2007. doi:10.1002/mds.21453. PMID: 17415797.
BibTeX
@article{caviness2007-17415797,
author = {Caviness, J. N. and Driver-Dunckley, E. and Connor, D. J. and Sabbagh, M. N. and Hentz, J. G. and Noble, B. and Evidente, V. G. and Shill, H. A. and others},
title = {{Defining mild cognitive impairment in Parkinson's disease}},
journal = {Movement disorders : official journal of the Movement Disorder Society},
year = {2007},
doi = {10.1002/mds.21453},
pmid = {17415797},
url = {https://doi.org/10.1002/mds.21453}
}
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Key findings
- We categorized 86 PD subjects in a brain bank population as either cognitively normal (PD-CogNL), PD-MCI using criteria that included a 1.5 standard deviation or greater deficit upon neuropsychological testing consistently across at least one cognitive domain without dementia, and PD dementia (PD-D) using DSM-IV criteria.
- Twenty-one percent of our PD sample met criteria for PD-MCI, 62% were PD-CogNL, and 17% had PD-D.
- The mean duration of PD and MMSE scores of the PD-MCI group were intermediate and significantly different from both PD-CogNL and PD-D.
- The cognitive domain most frequently abnormal in PD-MCI was frontal/executive dysfunction followed by amnestic deficit.
Why it matters
This study characterized a state of mild cognitive impairment in Parkinson's disease using neuropsychological testing criteria. It concerns defining and categorizing cognitive impairment in Parkinson's disease, not treating, curing, or preventing Alzheimer's disease.
Study details
- Evidence strengthLow
How this study scored 49/100
Published in a peer-reviewed journal. Scored zero for study design, sample size, effect reported, studied in people and randomised / blinded because the record does not state it.
| Component | Points | Why |
|---|---|---|
| Journal tier | 7 / 10 | Tier 3 — peer-reviewed journal (Movement disorders : official journal of the Movement Disorder Society) |
| Journal's citation record | 3 / 4 | Movement Disorders: journal h-index 281 (OpenAlex, 2026-10-29) |
| Study design | 0 / 12 | No study design recorded — scores zero, not guessed (not stated in the record — scored 0) |
| Strength of evidence | 1 / 5 | Rated “low” in our summary |
| Peer-review validation | 10 / 10 | Peer-reviewed. Published as an article in a named peer-reviewed journal. |
| How recent | 1 / 5 | 2007 — within 20 year(s) of the newest study here |
| Sample size | 0 / 4 | Participant count not stated — scores zero (not stated in the record — scored 0) |
| Effect reported | 0 / 3 | No effect size reported — scores zero (not stated in the record — scored 0) |
| Studied in people | 0 / 3 | Not stated whether this was studied in people — scores zero (not stated in the record — scored 0) |
| Randomised / blinded | 0 / 2 | No randomisation or blinding stated — scores zero (not stated in the record — scored 0) |
| Times cited | 6 / 7 | Cited 422 times (OpenAlex, 2026-10-10) |
| Citations per year | 4 / 5 | 20.1 citations a year over 21 year(s) since 2007 |
| Impact for its field and year | 4 / 6 | Cited 13.6× the average for papers of its field and year (OpenAlex FWCI) |
| Cited by studies here | 3 / 6 | Cited by 21 other studies in this library |
| Still being cited | 2 / 4 | Cited 24 times in 2024–2026 (2026 still in progress; OpenAlex) |
| Senior author's track record | 3 / 4 | Last-listed author Charles H. Adler: h-index 93 (OpenAlex, whole career) |
| Institution's track record | 2 / 3 | Mayo Clinic: institution h-index 1,606 (OpenAlex) |
| Multi-centre collaboration | 1 / 3 | OpenAlex lists 2 institution(s) in 1 country |
| Indexed in PubMed | 2 / 2 | Indexed in PubMed (PMID 17415797) |
| Free to read | 0 / 2 | Behind a paywall — scores zero |
| Total | 49 / 100 | — |
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