Evidence map›Paper›PMID 34812936›Full record

ArticleBrain structure & function2022

Imaging functional neuroplasticity in human white matter tracts.

Tory O Frizzell, Elisha Phull, Mishaa Khan, Xiaowei Song, Lukas A Grajauskas, Jodie Gawryluk, Ryan C N D'Arcy

Open access · hybridAbstract read
In one paragraph

Article in Brain structure & function, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
3.9field-weighted citation impact, top 6% 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, 35 citations in OpenAlex.

  1. Article
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  5. Continuous Diffusion-Detected Neuroplasticity during Motor Learning.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025
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  13. Whole-brain, gray, and white matter time-locked functional signal changes with simple tasks and model-free analysis.Proceedings of the National Academy of Sciences of the United States of America · 2023
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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

7 authors at 3 institutions in 1 country.

Tory O FrizzellBrainNET, Health and Technology District, Surrey, BC, Canada.
Elisha PhullBrainNET, Health and Technology District, Surrey, BC, Canada.
Mishaa KhanBrainNET, Health and Technology District, Surrey, BC, Canada.
Xiaowei SongBrainNET, Health and Technology District, Surrey, BC, Canada.
Lukas A GrajauskasBrainNET, Health and Technology District, Surrey, BC, Canada.
Jodie GawrylukDivision of Medical Sciences, Department of Psychology, University of Victoria, Victoria, BC, Canada.
Ryan C N D'ArcyBrainNET, Health and Technology District, Surrey, BC, Canada. rdarcy@sfu.ca.
Simon Fraser University · CASurrey Memorial Hospital · CAUniversity of Victoria · CA

Funding

fraser health authority FH2017-001natural science and engineering research council of canada 206875
6 · The paper itself

Abstract

Magnetic resonance imaging (MRI) studies are sensitive to biological mechanisms of neuroplasticity in white matter (WM). In particular, diffusion tensor imaging (DTI) has been used to investigate structural changes. Historically, functional MRI (fMRI) neuroplasticity studies have been restricted to gray matter, as fMRI studies have only recently expanded to WM. The current study evaluated WM neuroplasticity pre-post motor training in healthy adults, focusing on motor learning in the non-dominant hand. Neuroplasticity changes were evaluated in two established WM regions-of-interest: the internal capsule and the corpus callosum. Behavioral improvements following training were greater for the non-dominant hand, which corresponded with MRI-based neuroplasticity changes in the internal capsule for DTI fractional anisotropy, fMRI hemodynamic response functions, and low-frequency oscillations (LFOs). In the corpus callosum, MRI-based neuroplasticity changes were detected in LFOs, DTI, and functional correlation tensors (FCT). Taken together, the LFO results converged as significant amplitude reductions, implicating a common underlying mechanism of optimized transmission through altered myelination. The structural and functional neuroplasticity findings open new avenues for direct WM investigations into mapping connectomes and advancing MRI clinical applications.

Indexed as

Neuronal PlasticityWhite MatterCorpus CallosumDiffusion Tensor ImagingHumansMagnetic Resonance ImagingDiffusion tensor imagingFunctional correlation tensorsFunctional magnetic resonance imagingLow-frequency oscillationsWhite matter activation

Identifiers

PMID34812936
PMCPMC8741691
OpenAlexW3215234842

What OpenQuestion holds

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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.