Evidence map›Paper›PMID 19172631›Full record

ArticleHuman brain mapping2009

A method for accurate group difference detection by constraining the mixing coefficients in an ICA framework.

Jing Sui, Tülay Adali, Godfrey D Pearlson, Vincent P Clark, Vince D Calhoun

Open access · greenAbstract read
In one paragraph

Article in Human brain mapping, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
5.7field-weighted citation impact, top 4% 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

28 citing papers in PubMed, 53 citations in OpenAlex.

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  11. Multimodal fusion of brain imaging data: A key to finding the missing link(s) in complex mental illness.Biological psychiatry. Cognitive neuroscience and neuroimaging · 2016
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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

5 authors at 3 institutions in 1 country.

Jing SuiThe Mind Research Network, Albuquerque, New Mexico 87106, USA.
Tülay Adali
Godfrey D Pearlson
Vincent P Clark
Vince D Calhoun
Mind Research Network · USUniversity of Maryland, Baltimore County · USYale University · US

Funding

Multivariate methods for identifying multitask/multimodal brain imaging biomarkersR01EB006841 · NIBIB · THE MIND RESEARCH NETWORK · PI VINCE D CALHOUN, Sergey Plis · 2007 to 2026
$9.8M
Bipolar & Schizophrenia Consortium for Parsing Intermediate PhenotypesR01MH077945 · NIMH · YALE UNIVERSITY · PI PEARLSON, GODFREY D · 2007 to 2019
$7.6M
Informed Data-Driven Fusion of Behavior, Brain Function, and GenesR01EB005846 · NIBIB · THE MIND RESEARCH NETWORK · PI CALHOUN, VINCE D · 2005 to 2016
$5.5M
Quantitative Neuroimaging in Psychosis; DTI StudiesR37MH043775 · NIMH · HARTFORD HOSPITAL · PI PEARLSON, GODFREY D · 2005 to 2012
$4.8M
Unified multivariate data-driven solutions for static and dynamic brain connectivityR01EB020407 · NIBIB · THE MIND RESEARCH NETWORK · PI ADALI, TULAY, CALHOUN, VINCE D · 2015 to 2018
$2.7M
QUANTITATIVE STRUCTURAL NEUROIMAGING IN PSYCHOSISR01MH043775 · NIMH · JOHNS HOPKINS UNIVERSITY · PI PEARLSON, GODFREY D · 1988 to 2003
$2.4M
Schizophrenia Biomarkers: Memory, Genes and fMRIR01MH074797 · NIMH · HARTFORD HOSPITAL · PI PEARLSON, GODFREY D · 2007 to 2010
$1.5M
NIBIB NIH HHS 1 R01 EB 005846NIBIB NIH HHS 1 R01 EB 006841NIBIB NIH HHS R01 EB005846NIBIB NIH HHS R01 EB006841NIBIB NIH HHS R01 EB020407NIMH NIH HHS MH074797NIMH NIH HHS MH077945NIMH NIH HHS MH43775NIMH NIH HHS R01 MH043775NIMH NIH HHS R01 MH074797NIMH NIH HHS R01 MH077945NIMH NIH HHS R37 MH043775
6 · The paper itself

Abstract

Independent component analysis (ICA) is a promising method that is increasingly used to analyze brain imaging data such as functional magnetic resonance imaging (fMRI), structural MRI, and electroencephalography and has also proved useful for group comparison, e.g., differentiating healthy controls from patients. An advantage of ICA is its ability to identify components that are mixed in an unknown manner. However, ICA is not necessarily robust and optimal in identifying between-group effects, especially in highly noisy situations. Here, we propose a modified ICA framework for multigroup data analysis that incorporates prior information regarding group membership as a constraint into the mixing coefficients. Our approach, called coefficient-constrained ICA (CC-ICA), prioritizes identification of components that show a significant group difference. The performance of CC-ICA via synthetic and hybrid data simulations is evaluated under different hypothesis testing assumptions and signal to noise ratios (SNRs). Group analysis is also conducted on real multitask fMRI data. Results show that CC-ICA improves the estimation accuracy of the independent components greatly, especially those that have different patterns for different groups (e.g., patients vs. controls); In addition, it enhances the data extraction sensitivity to group differences by ranking components with P value or J-divergence more consistently with the ground truth. The proposed algorithm performs quite well for both group-difference detection and multitask fMRI data fusion, which may prove especially important for the identification of relevant disease biomarkers.

Indexed as

AlgorithmsArtifactsBiomarkersBrainBrain DiseasesBrain MappingCerebrovascular CirculationComputer SimulationData Interpretation, StatisticalHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingNonlinear DynamicsPredictive Value of TestsSensitivity and SpecificitySignal Processing, Computer-AssistedBiomarkers

Identifiers

PMID19172631
PMCPMC2733923
OpenAlexW1978161337

What OpenQuestion holds

Textmetadata
LicenceTDM
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.