Evidence map›Paper›PMID 34312933›Full record

ArticleHuman brain mapping2021

Graph-theoretical analysis of EEG functional connectivity during balance perturbation in traumatic brain injury: A pilot study.

Vikram Shenoy Handiru, Alaleh Alivar, Armand Hoxha, Soha Saleh, Easter S Suviseshamuthu, Guang H Yue, Didier Allexandre

Open access · goldAbstract read
In one paragraph

Article in Human brain mapping, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
3.2field-weighted citation impact, top 7% 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

17 citing papers in PubMed, 1 synthesis or guideline pooled it, 31 citations in OpenAlex.

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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 2 institutions in 1 country.

Vikram Shenoy HandiruCenter for Mobility and Rehabilitation Engineering Research, Kessler Foundation, West Orange, New Jersey, USA.ORCID 0000-0001-7460-5107
Alaleh AlivarCenter for Mobility and Rehabilitation Engineering Research, Kessler Foundation, West Orange, New Jersey, USA.
Armand HoxhaCenter for Mobility and Rehabilitation Engineering Research, Kessler Foundation, West Orange, New Jersey, USA.
Soha SalehCenter for Mobility and Rehabilitation Engineering Research, Kessler Foundation, West Orange, New Jersey, USA.ORCID 0000-0002-9936-1249
Easter S SuviseshamuthuCenter for Mobility and Rehabilitation Engineering Research, Kessler Foundation, West Orange, New Jersey, USA.
Guang H YueCenter for Mobility and Rehabilitation Engineering Research, Kessler Foundation, West Orange, New Jersey, USA.
Didier AllexandreCenter for Mobility and Rehabilitation Engineering Research, Kessler Foundation, West Orange, New Jersey, USA.
Rutgers, The State University of New Jersey · USKessler Foundation · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Traumatic brain injury (TBI) often results in balance impairment, increasing the risk of falls, and the chances of further injuries. However, the underlying neural mechanisms of postural control after TBI are not well understood. To this end, we conducted a pilot study to explore the neural mechanisms of unpredictable balance perturbations in 17 chronic TBI participants and 15 matched healthy controls (HC) using the EEG, MRI, and diffusion tensor imaging (DTI) data. As quantitative measures of the functional integration and segregation of the brain networks during the postural task, we computed the global graph-theoretic network measures (global efficiency and modularity) of brain functional connectivity derived from source-space EEG in different frequency bands. We observed that the TBI group showed a lower balance performance as measured by the center of pressure displacement during the task, and the Berg Balance Scale (BBS). They also showed reduced brain activation and connectivity during the balance task. Furthermore, the decrease in brain network segregation in alpha-band from baseline to task was smaller in TBI than HC. The DTI findings revealed widespread structural damage. In terms of the neural correlates, we observed a distinct role played by different frequency bands: theta-band modularity during the task was negatively correlated with the BBS in the TBI group; lower beta-band network connectivity was associated with the reduction in white matter structural integrity. Our future studies will focus on how postural training will modulate the functional brain networks in TBI.

Indexed as

ConnectomeElectroencephalographyAdultBrain Injuries, TraumaticBrain WavesDiffusion Tensor ImagingFemaleHumansMaleMiddle AgedPilot ProjectsPostural BalanceWhite Matterbalance perturbationEEG source localizationfunctional connectivitygraph theorypostural controltraumatic brain injury

Identifiers

PMID34312933
PMCPMC8410544
OpenAlexW3184971316

What OpenQuestion holds

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LicenceCC BY-NC
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.