Evidence map›Paper›PMID 28100252›Full record

ArticleAlzheimer's research & therapy2017

A cognitive electrophysiological signature differentiates amnestic mild cognitive impairment from normal aging.

Juan Li, Lucas S Broster, Gregory A Jicha, Nancy B Munro, Frederick A Schmitt, Erin Abner, Richard Kryscio, Charles D Smith, Yang Jiang

Open access · goldAbstract read
In one paragraph

Article in Alzheimer's research & therapy, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 1 pooled it
1.8field-weighted citation impact, top 15% 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

21 citing papers in PubMed, 1 synthesis or guideline pooled it, 38 citations in OpenAlex.

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  19. Functional humanAging · 2017
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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

9 authors at 3 institutions in 2 countries.

Juan LiCAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, 100101, Beijing, China. lijuan@psych.ac.cn.
Lucas S BrosterDepartment of Behavioral Science, University of Kentucky College of Medicine, Lexington, KY, 40536, USA.
Gregory A JichaSanders-Brown Center on Aging, University of Kentucky, Lexington, KY, 40536, USA.
Nancy B MunroOak Ridge National Laboratory, Oak Ridge, TN, USA.
Frederick A SchmittDepartment of Behavioral Science, University of Kentucky College of Medicine, Lexington, KY, 40536, USA.
Erin AbnerSanders-Brown Center on Aging, University of Kentucky, Lexington, KY, 40536, USA.
Richard KryscioSanders-Brown Center on Aging, University of Kentucky, Lexington, KY, 40536, USA.
Charles D SmithSanders-Brown Center on Aging, University of Kentucky, Lexington, KY, 40536, USA.
Yang JiangDepartment of Behavioral Science, University of Kentucky College of Medicine, Lexington, KY, 40536, USA. yjiang@uky.edu.
University of Kentucky · USInstitute of Psychology, Chinese Academy of Sciences · CNOak Ridge National Laboratory · US

Funding

Kentucky Center for Clinical and Translational ScienceUL1TR001998 · NCATS · UNIVERSITY OF KENTUCKY · PI HARTMANN, KATHERINE E, KERN, PHILIP A · 2016 to 2025
$34.2M
University of Kentucky Alzheimer's Disease Core Center - Biomarker CoreP30AG028383 · NIA · UNIVERSITY OF KENTUCKY · PI JICHA, GREGORY A · 2006 to 2020
$23.3M
Kentucky Center for Clinical and Translational ScienceUL1TR000117 · NCATS · UNIVERSITY OF KENTUCKY · PI KERN, PHILIP A · 2012 to 2015
$13.3M
TRAINING AND INFORMATION TRANSFER COREP50AG005144 · NIA · UNIVERSITY OF KENTUCKY · PI MARKESBERY, WILLIAM R · 1985 to 2005
$8.9M
KENTUCKY CENTER FOR CLINICAL AND TRANSLATIONAL SCIENCEUL1RR033173 · NCRR · UNIVERSITY OF KENTUCKY · PI KERN, PHILIP A · 2011 to 2011
$3.5M
Neuroimaging of Complex Motion in Young and Old AdultsK01AG000986 · NIA · UNIVERSITY OF KENTUCKY · PI JIANG, YANG · 2001 to 2005
$584k
Kentucky Center for Clinical and Translational ScienceTL1TR000115 · NCATS · UNIVERSITY OF KENTUCKY · PI KERN, PHILIP A · 2012 to 2015
$518k
NCATS NIH HHS TL1 TR000115NCATS NIH HHS UL1 TR000117NCATS NIH HHS UL1 TR001998NCRR NIH HHS UL1 RR033173NIA NIH HHS K01 AG000986NIA NIH HHS P30 AG028383NIA NIH HHS P50 AG005144
6 · The paper itself

Abstract

backgroundNoninvasive and effective biomarkers for early detection of amnestic mild cognitive impairment (aMCI) before measurable changes in behavioral performance remain scarce. Cognitive event-related potentials (ERPs) measure synchronized synaptic neural activity associated with a cognitive event. Loss of synapses is a hallmark of the neuropathology of early Alzheimer's disease (AD). In the present study, we tested the hypothesis that ERP responses during working memory retrieval discriminate aMCI from cognitively normal controls (NC) matched in age and education.

methodsEighteen NC, 17 subjects with aMCI, and 13 subjects with AD performed a delayed match-to-sample task specially designed not only to be easy enough for impaired participants to complete but also to generate comparable performance between subjects with NC and those with aMCI. Scalp electroencephalography, memory accuracy, and reaction times were measured.

resultsWhereas memory performance separated the AD group from the others, the performance of NC and subjects with aMCI was similar. In contrast, left frontal cognitive ERP patterns differentiated subjects with aMCI from NC. Enhanced P3 responses at left frontal sites were associated with nonmatching relative to matching stimuli during working memory tasks in patients with aMCI and AD, but not in NC. The accuracy of discriminating aMCI from NC was 85% by using left frontal match/nonmatch effect combined with nonmatch reaction time.

conclusionsThe left frontal cognitive ERP indicator holds promise as a sensitive, simple, affordable, and noninvasive biomarker for detection of early cognitive impairment.

Indexed as

ElectroencephalographyAgedAged, 80 and overAgingAnalysis of VarianceCognitionCognitive DysfunctionEducational StatusEvoked PotentialsFemaleHumansMaleMemoryMiddle AgedNeuropsychological TestsReaction TimeAlzheimer’s diseaseAmnestic mild cognitive impairmentEarly detectionEvent-related potentialsWorking memory

Identifiers

PMID28100252
PMCPMC5244569
OpenAlexW2568425819

What OpenQuestion holds

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LicenceCC BY
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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.