Evidence map›Paper›PMID 29139161›Full record

ArticleHuman brain mapping2018

Cognitive abilities, brain white matter hyperintensity volume, and structural network connectivity in older age.

Stewart J Wiseman, Tom Booth, Stuart J Ritchie, Simon R Cox, Susana Muñoz Maniega, Maria Del C Valdés Hernández, David Alexander Dickie, Natalie A Royle, John M Starr, Ian J Deary and 2 more

Abstract read
In one paragraph

Article in Human brain mapping, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
–field-weighted citation impact
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

30 citing papers in PubMed.

  1. Trial
  2. Article
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  4. General cognitive function and the brain's structural connectome.bioRxiv : the preprint server for biology · 2026
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  6. Article
  7. Observational
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  18. Inner Hemispheric and Interhemispheric Connectivity Balance in the Human Brain.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021
    Article
  19. Article
  20. Article
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.

Stewart J WisemanCentre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, United Kingdom.ORCID 0000-0001-6739-5797
Tom BoothDepartment of Psychology, University of Edinburgh, Edinburgh, United Kingdom.
Stuart J RitchieDepartment of Psychology, University of Edinburgh, Edinburgh, United Kingdom.
Simon R CoxDepartment of Psychology, University of Edinburgh, Edinburgh, United Kingdom.ORCID 0000-0003-4036-3642
Susana Muñoz ManiegaCentre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, United Kingdom.
Maria Del C Valdés HernándezCentre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, United Kingdom.ORCID 0000-0003-2771-6546
David Alexander DickieCentre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, United Kingdom.
Natalie A RoyleCentre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, United Kingdom.
John M StarrDepartment of Geriatric Medicine, NHS Lothian, Edinburgh, United Kingdom.
Ian J DearyDepartment of Psychology, University of Edinburgh, Edinburgh, United Kingdom.
Joanna M WardlawCentre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, United Kingdom.
Mark E BastinCentre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, United Kingdom.

Funding

Biotechnology and Biological Sciences Research CouncilMedical Research Council G0701120Medical Research Council G1001245Medical Research Council MR/K026992/1Medical Research Council MR/M013111/1
6 · The paper itself

Abstract

objectiveTo assess brain structural connectivity in relation to cognitive abilities in healthy ageing, and the mediating effects of white matter hyper-intensity (WMH) volume.

methodsMRI data were analysed in 558 members of the Lothian Birth Cohort 1936. Brains were segmented into 85 regions and combined with tractography to generate structural connectomes. WMH volume was quantified. Relationships between whole-brain connectivity, assessed using graph theory metrics, and four major domains of cognitive ability (visuospatial reasoning, verbal memory, information processing speed and crystallized ability) were investigated, as was the mediating effects of WMH volume on these relationships.

resultsVisuospatial reasoning was associated with network strength, mean shortest path length, and global efficiency. Memory was not associated with any network connectivity metric. Information processing speed and crystallized ability were associated with all network measures. Some relationships were lost when adjusted for mean network FA. WMH volume mediated 11%-15% of the relationships between most network measures and information processing speed, even after adjusting for mean network FA.

conclusionBrain structural connectivity relates to visuospatial reasoning, information processing speed and crystallized ability, but not memory, in this relatively healthy age-homogeneous cohort of 73 year olds. When adjusted for mean FA across the network, most relationships are lost, except with information processing speed suggesting that the underlying topological network structure is related to this cognitive domain. Moreover, the connectome-processing speed relationship is partly mediated by WMH volume in this cohort. Hum Brain Mapp 39:622-632, 2018. © 2017 The Authors Human Brain Mapping Published by Wiley Periodicals, Inc.

Indexed as

Mental ProcessesAgedAgingBrainConnectomeFemaleHumansImaging, Three-DimensionalLongitudinal StudiesMagnetic Resonance ImagingMaleNeural PathwaysNeuropsychological TestsWhite Matterageinggraph theoryneural networkswhite matter hyperintensities

Identifiers

PMID29139161
PMCPMC5813175

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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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.