Evidence map›Paper›PMID 35697132›Full record

ArticleNeuroImage2022

Empirical transmit field bias correction of T1w/T2w myelin maps.

Matthew F Glasser, Timothy S Coalson, Michael P Harms, Junqian Xu, Graham L Baum, Joonas A Autio, Edward J Auerbach, Douglas N Greve, Essa Yacoub, David C Van Essen and 2 more

Open access · goldAbstract read
In one paragraph

Article in NeuroImage, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
46citing papers in PubMed, 1 pooled it
7.6field-weighted citation impact, top 2% 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

46 citing papers in PubMed, 1 synthesis or guideline pooled it, 57 citations in OpenAlex.

  1. Pooled it
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  14. Cortical myelin mapping in antipsychotic medication-naïve, first-episode psychosis patients.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2025
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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

12 authors at 6 institutions in 4 countries.

Matthew F GlasserDepartments of Radiology,; Neuroscience, and. Electronic address: glasserm@wustl.edu.
Timothy S CoalsonNeuroscience, and.
Michael P HarmsPsychiatry, Washington University Medical School, St. Louis, MO, United States.
Junqian XuCenter for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States; Departments of Radiology and Psychiatry, Baylor College of Medicine, Houston, TX, United States.
Graham L BaumDepartment of Psychology, Harvard University, Cambridge, MA, United States.
Joonas A AutioRIKEN Center for Biosystems Dynamics Research, Kobe, Japan.
Edward J AuerbachCenter for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States.
Douglas N GreveAthinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States.
Essa YacoubCenter for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States.
David C Van EssenNeuroscience, and.
Nicholas A BockDepartment of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, ON, Canada.
Takuya HayashiRIKEN Center for Biosystems Dynamics Research, Kobe, Japan.
Society for Neuroscience · USUniversity of Minnesota · USHarvard University · USRIKEN Center for Biosystems Dynamics Research · JPMcMaster University · CAWashington University in St. Louis · US

Funding

Mapping the Human Connectome: Structure, Function, and HeritabilityU54MH091657 · NIMH · WASHINGTON UNIVERSITY · PI UGURBIL, KAMIL, VAN ESSEN, DAVID C · 2010 to 2014
$34.7M
MAPPING THE HUMAN CONNECTOME DURING TYPICAL AGINGU01AG052564 · NIA · WASHINGTON UNIVERSITY · PI SALAT, DAVID H, TERPSTRA, MELISSA J · 2016 to 2020
$18.9M
Mapping the Human Connectome During Typical DevelopmentU01MH109589 · NIMH · WASHINGTON UNIVERSITY · PI BARCH, DEANNA, BOOKHEIMER, SUSAN Y · 2016 to 2019
$17.1M
RECONSTRUCTIONS AND REPRESENTATIONS OF CEREBRAL CORTEXR01MH060974 · NIMH · WASHINGTON UNIVERSITY · PI VAN ESSEN, DAVID C · 1999 to 2024
$12.7M
TRD4 - Ultrahigh Field Engineering and SafetyP41EB027061 · NIBIB · UNIVERSITY OF MINNESOTA · PI Gregory John Metzger · 2019 to 2026
$11.7M
UCLA Center for Translational Research in Neurodevelopment: UC-TRaNU54HD087101 · NICHD · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI BOOKHEIMER, SUSAN Y · 2016 to 2020
$6.5M
Connectome Coordination FacilityR24MH108315 · NIMH · WASHINGTON UNIVERSITY · PI MARCUS, DANIEL SCOTT, VAN ESSEN, DAVID C · 2015 to 2019
$5.7M
FreeSurfer Development, Maintenance, and HardeningR01EB023281 · NIBIB · MASSACHUSETTS GENERAL HOSPITAL · PI Bruce Fischl, Douglas Nowlin Greve · 2016 to 2026
$5.6M
Connectome Coordination Facility IIR24MH122820 · NIMH · WASHINGTON UNIVERSITY · PI MARCUS, DANIEL SCOTT, VAN ESSEN, DAVID C · 2020 to 2023
$3.4M
Training OPportunities in Translational Imaging Education and Research (TOP-TIER)T32EB021955 · NIBIB · WASHINGTON UNIVERSITY · PI Hongyu An, Joseph Edward Ippolito · 2017 to 2026
$2.4M
Non-invasive Multi-modal Parcellation of the Human Cerebral CortexF30MH097312 · NIMH · WASHINGTON UNIVERSITY · PI GLASSER, MATTHEW FREDERICK · 2012 to 2014
$105k
NIA NIH HHS U01 AG052564NIBIB NIH HHS P41 EB027061NIBIB NIH HHS R01 EB023281NIBIB NIH HHS T32 EB021955NICHD NIH HHS U54 HD087101NIMH NIH HHS F30 MH097312NIMH NIH HHS R01 MH060974NIMH NIH HHS R24 MH108315NIMH NIH HHS R24 MH122820NIMH NIH HHS U01 MH109589NIMH NIH HHS U54 MH091657
6 · The paper itself

Abstract

T1-weighted divided by T2-weighted (T1w/T2w) myelin maps were initially developed for neuroanatomical analyses such as identifying cortical areas, but they are increasingly used in statistical comparisons across individuals and groups with other variables of interest. Existing T1w/T2w myelin maps contain radiofrequency transmit field (B1+) biases, which may be correlated with these variables of interest, leading to potentially spurious results. Here we propose two empirical methods for correcting these transmit field biases using either explicit measures of the transmit field or alternatively a 'pseudo-transmit' approach that is highly correlated with the transmit field at 3T. We find that the resulting corrected T1w/T2w myelin maps are both better neuroanatomical measures (e.g., for use in cross-species comparisons), and more appropriate for statistical comparisons of relative T1w/T2w differences across individuals and groups (e.g., sex, age, or body-mass-index) within a consistently acquired study at 3T. We recommend that investigators who use the T1w/T2w approach for mapping cortical myelin use these B1+ transmit field corrected myelin maps going forward.

Indexed as

Magnetic Resonance ImagingMyelin SheathBiasHumans

Identifiers

PMID35697132
PMCPMC9483036
OpenAlexW4281954245

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.