Evidence map›Paper›PMID 21525427›Full record

ArticleNeurology2011

Resting bold fMRI differentiates dementia with Lewy bodies vs Alzheimer disease.

J E Galvin, J L Price, Z Yan, J C Morris, Y I Sheline

Open access · bronzeAbstract read
In one paragraph

Article in Neurology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 72 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
72citing papers in PubMed, 3 pooled it
6.6field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

72 citing papers in PubMed, 3 syntheses or guidelines pooled it, 132 citations in OpenAlex.

  1. Pooled it
  2. (Dis-)Connected Dots in Dementia with Lewy Bodies-A Systematic Review of Connectivity Studies.Movement disorders : official journal of the Movement Disorder Society · 2023
    Pooled it
  3. Pooled it
  4. Trial
  5. Article
  6. A spatial covarianceJournal of neurology · 2025
    Article
  7. The role ofFrontiers in neuroscience · 2025
    Review
  8. Review
  9. Review
  10. Article
  11. Review
  12. Mild cognitive impairment in dementia with Lewy bodies: an update and outlook.Journal of neural transmission (Vienna, Austria : 1996) · 2023
    Review
  13. Review
  14. Article
  15. Article
  16. Review
  17. Article
  18. Article
  19. Article
  20. Review

12 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 1 country.

J E GalvinCenter of Excellence on Brain Aging, New York University Langone School of Medicine, 145 East 32nd St, Second Floor, New York, NY 10016, USA. James.Galvin@nyumc.org
J L Price
Z Yan
J C Morris
Y I Sheline
New York University · USNeurology, Inc · US

Funding

Smartphone-Based "Burst" Cognitive AssessmentsP01AG003991 · NIA · WASHINGTON UNIVERSITY · PI Tammie Lee Smith Benzinger · 1985 to 2026
$69.5M
WASHINGTON UNIVERSITY ALZHEIMERS DISEASE RESEARCH CENTERP50AG005681 · NIA · WASHINGTON UNIVERSITY · PI MORRIS, JOHN · 1985 to 2019
$52.1M
The natural history of AB accumulation in preclinical ADP01AG026276 · NIA · WASHINGTON UNIVERSITY · PI SCHINDLER, SUZANNE ELIZABETH · 2005 to 2025
$49.5M
Multicultural Community Dementia Screening.R01AG040211 · NIA · NEW YORK UNIVERSITY SCHOOL OF MEDICINE · PI GALVIN, JAMES E · 2011 to 2018
$3.2M
NIA NIH HHS P01 AG026276NIA NIH HHS P01 AG03991NIA NIH HHS P50 AG005681NIA NIH HHS P50 AG05681NIA NIH HHS R01 AG040211
6 · The paper itself

Abstract

objectiveClinicopathologic phenotypes of dementia with Lewy bodies (DLB) and Alzheimer disease (AD) often overlap, making discrimination difficult. We performed resting state blood oxygen level-dependent (BOLD) functional connectivity MRI (fcMRI) to determine whether there were differences between AD and DLB.

methodsParticipants (n = 88) enrolled in a longitudinal study of memory and aging underwent 3-T fcMRI. Clinical diagnoses of probable DLB (n = 15) were made according to published criteria. Cognitively normal control participants (n = 38) were selected for the absence of cerebral amyloid burden as imaged with Pittsburgh compound B (PiB). Probable AD cases (n = 35) met published criteria and had appreciable amyloid deposits with PiB imaging. Functional images were collected using a gradient spin-echo sequence sensitive to BOLD contrast (T2* weighting). Correlation maps selected a seed region in the combined bilateral precuneus.

resultsParticipants with DLB had a functional connectivity pattern for the precuneus seed region that was distinct from AD; both the DLB and AD groups had functional connectivity patterns that differed from the cognitively normal group. In the DLB group, we found increased connectivity between the precuneus and regions in the dorsal attention network and the putamen. In contrast, we found decreased connectivity between the precuneus and other task-negative default regions and visual cortices. There was also a reversal of connectivity in the right hippocampus.

conclusionsChanges in functional connectivity in DLB indicate patterns of activation that are distinct from those seen in AD and may improve discrimination of DLB from AD and cognitively normal individuals. Since patterns of connectivity differ between AD and DLB groups, measurements of BOLD functional connectivity can shed further light on neuroanatomic connections that distinguish DLB from AD.

Indexed as

AgedAged, 80 and overAlzheimer DiseaseHumansLewy Body DiseaseLongitudinal StudiesMagnetic Resonance ImagingMaleOxygenOxygen

Identifiers

PMID21525427
PMCPMC3100121
OpenAlexW2088155460

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.