Evidence map›Paper›PMID 27811848›Full record

ArticleNature communications2016

Basal forebrain degeneration precedes and predicts the cortical spread of Alzheimer's pathology.

Taylor W Schmitz, R Nathan Spreng, Alzheimer's Disease Neuroimaging Initiative

Open access · goldAbstract read
In one paragraph

Article in Nature communications, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 208 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
208citing papers in PubMed, 1 pooled it
20.6field-weighted citation impact, top 1% 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

208 citing papers in PubMed, 1 synthesis or guideline pooled it, 341 citations in OpenAlex.

  1. Pooled it
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  17. TACR3 variant confers resilience to aging and Alzheimer's disease.medRxiv : the preprint server for health sciences · 2026
    Article
  18. White matter hyperintensities are associated with locus coeruleus atrophy and astrocytic βAlzheimer's & dementia : the journal of the Alzheimer's Association · 2026
    Article
  19. A lifespan staging model of basal forebrain cholinergic vulnerability.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026
    Review
  20. Article

148 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

3 authors at 20 institutions in 4 countries.

Taylor W SchmitzMedical Research Council, Cognition and Brain Sciences Unit, 15 Chaucer Road, Cambridge CB2 7EF, UK.ORCID 0000-0003-0585-7524
R Nathan SprengLaboratory of Brain and Cognition, Department of Human Development, Human Neuroscience Institute, Cornell University, Martha Van Rensselaer Hall G62C, Ithaca, New York 14853, USA.ORCID 0000-0003-1530-8916
Alzheimer's Disease Neuroimaging Initiative
Mayo Clinic · USWashington University in St. Louis · USBrigham and Women's Hospital · USLAC+USC Medical Center · USUniversity of California San Diego · USNorthwestern University · USJohns Hopkins University · USUniversity of California, San Francisco · USAlzheimer's Association · USBaylor College of Medicine · USIndiana University Bloomington · USUniversity of Kentucky · USUniversity of Wisconsin–Madison · USBoston University · USNew York University · USRush University Medical Center · USThe University of Texas Southwestern Medical Center · USUniversity of Alabama at Birmingham · USUniversity of Rochester Medical Center · USMedical University of South Carolina · US

Funding

Alzheimer's Disease Neuroimaging Initiative - SupplementU01AG024904 · NIA · NORTHERN CALIFORNIA INSTITUTE RES &EDUC · PI WEINER, MICHAEL W · 2004 to 2015
$121.0M
National Centralized Repository for Alzheimer's Disease and Related Dementias (NCRAD)U24AG021886 · NIA · INDIANA UNIV-PURDUE UNIV AT INDIANAPOLIS · PI TATIANA M. FOROUD · 2002 to 2026
$119.8M
THERAPEUTIC EFFECTS OF INTRA-NASAL INSULIN DETEMIRP50AG005136 · NIA · UNIVERSITY OF WASHINGTON · PI GRABOWSKI, THOMAS J. · 1985 to 2019
$57.2M
VASCULAR RISK AND COGNITIVE STATUS IN A LATINO POPULATIONP50AG005142 · NIA · UNIVERSITY OF SOUTHERN CALIFORNIA · PI BRASKIE, MEREDITH NICOLE · 1985 to 2019
$41.0M
NIA NIH HHS P50 AG005136NIA NIH HHS P50 AG005142NIA NIH HHS U01 AG024904NIA NIH HHS U24 AG021886
6 · The paper itself

Abstract

There is considerable debate whether Alzheimer's disease (AD) originates in basal forebrain or entorhinal cortex. Here we examined whether longitudinal decreases in basal forebrain and entorhinal cortex grey matter volume were interdependent and sequential. In a large cohort of age-matched older adults ranging from cognitively normal to AD, we demonstrate that basal forebrain volume predicts longitudinal entorhinal degeneration. Models of parallel degeneration or entorhinal origin received negligible support. We then integrated volumetric measures with an amyloid biomarker sensitive to pre-symptomatic AD pathology. Comparison between cognitively matched normal adult subgroups, delineated according to the amyloid biomarker, revealed abnormal degeneration in basal forebrain, but not entorhinal cortex. Abnormal degeneration in both basal forebrain and entorhinal cortex was only observed among prodromal (mildly amnestic) individuals. We provide evidence that basal forebrain pathology precedes and predicts both entorhinal pathology and memory impairment, challenging the widely held belief that AD has a cortical origin.

Indexed as

AgedAged, 80 and overAlzheimer DiseaseAmyloidAmyloid beta-PeptidesBasal ForebrainBiomarkersCohort StudiesEntorhinal CortexFemaleHumansMagnetic Resonance ImagingMalePrognosisAmyloidAmyloid beta-PeptidesBiomarkers

Identifiers

PMID27811848
PMCPMC5097157
OpenAlexW2548348201

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.