Evidence map›Paper›PMID 33588769›Full record

ArticleBMC neuroscience2021

Cortical hemodynamics as a function of handgrip strength and cognitive performance: a cross-sectional fNIRS study in younger adults.

Fabian Herold, Tom Behrendt, Alexander Törpel, Dennis Hamacher, Notger G Müller, Lutz Schega

Open access · goldAbstract read
In one paragraph

Article in BMC neuroscience, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
2.6field-weighted citation impact, top 10% 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

16 citing papers in PubMed, 1 synthesis or guideline pooled it, 24 citations in OpenAlex.

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  7. Children (Basel, Switzerland) · 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

6 authors at 2 institutions in 1 country.

Fabian HeroldDepartment of Neurology, Medical Faculty, Otto Von Guericke University, Leipziger Str. 44, 39120, Magdeburg, Germany. fabian.herold@st.ovgu.de.ORCID 0000-0003-3453-090X
Tom BehrendtInstitute III, Department of Sport Science, Otto Von Guericke University Magdeburg, Zschokkestr. 32, 39104, Magdeburg, Germany.
Alexander TörpelInstitute III, Department of Sport Science, Otto Von Guericke University Magdeburg, Zschokkestr. 32, 39104, Magdeburg, Germany.
Dennis HamacherInstitute III, Department of Sport Science, Otto Von Guericke University Magdeburg, Zschokkestr. 32, 39104, Magdeburg, Germany.
Notger G Müller *Department of Neurology, Medical Faculty, Otto Von Guericke University, Leipziger Str. 44, 39120, Magdeburg, Germany.
Lutz Schega *Institute III, Department of Sport Science, Otto Von Guericke University Magdeburg, Zschokkestr. 32, 39104, Magdeburg, Germany.
Otto-von-Guericke-Universität Magdeburg · DEGerman Center for Neurodegenerative Diseases · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThere is growing evidence for a positive correlation between measures of muscular strength and cognitive abilities. However, the neurophysiological correlates of this relationship are not well understood so far. The aim of this study was to investigate cortical hemodynamics [i.e., changes in concentrations of oxygenated (oxyHb) and deoxygenated hemoglobin (deoxyHb)] as a possible link between measures of muscular strength and cognitive performance.

methodsIn a cohort of younger adults (n = 39, 18-30 years), we assessed (i) handgrip strength by a handhold dynamometer, (ii) short-term working memory performance by using error rates and reaction times in the Sternberg task, and (iii) cortical hemodynamics of the prefrontal cortex (PFC) via functional near-infrared spectroscopy (fNIRS).

resultsWe observed low to moderate negative correlations (r

conclusionThe present study provides evidence for a positive neurobehavioral relationship between cortical hemodynamics and cognitive performance. Our findings further imply that in younger adults higher levels of handgrip strength positively influence cortical hemodynamics although the latter did not necessarily culminate in better cognitive performance. Future research should examine whether the present findings can be generalized to other cohorts (e.g., older adults).

Indexed as

AdolescentAdultCognitionCross-Sectional StudiesFemaleHand StrengthHemodynamicsHumansMalePrefrontal CortexSpectroscopy, Near-InfraredYoung AdultCognitionFunctional near-infrared spectroscopyHandgrip strengthMuscular fitnessSternberg paradigm

Identifiers

PMID33588769
PMCPMC7885414
OpenAlexW3131975132

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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.