Evidence map›Paper›PMID 24734025›Full record

ArticleFrontiers in psychology2014

Differences in cerebral cortical anatomy of left- and right-handers.

Tulio Guadalupe, Roel M Willems, Marcel P Zwiers, Alejandro Arias Vasquez, Martine Hoogman, Peter Hagoort, Guillen Fernandez, Jan Buitelaar, Barbara Franke, Simon E Fisher and 1 more

Abstract read
In one paragraph

Article in Frontiers in psychology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed, 2 pooled it
–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

48 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Mapping cortical brain asymmetry in 17,141 healthy individuals worldwide via the ENIGMA Consortium.Proceedings of the National Academy of Sciences of the United States of America · 2018
    Pooled it
  3. Higher VOScientific reports · 2021
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  9. Neuroanatomical correlates of musicianship in left-handers.Behavioral and brain functions : BBF · 2024
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  19. Classifying handedness with MRI.Neuroimage. Reports · 2021
    Article
  20. Handedness and its genetic influences are associated with structural asymmetries of the cerebral cortex in 31,864 individuals.Proceedings of the National Academy of Sciences of the United States of America · 2021
    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

11 authors.

Tulio GuadalupeLanguage and Genetics Department, Max Planck Institute for Psycholinguistics Nijmegen, Netherlands ; International Max Planck Research School for Language Sciences Nijmegen, Netherlands.
Roel M WillemsCentre for Cognitive Neuroimaging, Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen Nijmegen, Netherlands ; Neurobiology of Language Department, Max Planck Institute for Psycholinguistics Nijmegen, Netherlands.
Marcel P ZwiersCentre for Cognitive Neuroimaging, Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen Nijmegen, Netherlands.
Alejandro Arias VasquezDepartment of Human Genetics, Radboud University Medical Center Nijmegen, Netherlands ; Department of Psychiatry, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center Nijmegen, Netherlands ; Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center Nijmegen, Netherlands.
Martine HoogmanLanguage and Genetics Department, Max Planck Institute for Psycholinguistics Nijmegen, Netherlands ; Department of Human Genetics, Radboud University Medical Center Nijmegen, Netherlands.
Peter HagoortCentre for Cognitive Neuroimaging, Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen Nijmegen, Netherlands ; Neurobiology of Language Department, Max Planck Institute for Psycholinguistics Nijmegen, Netherlands.
Guillen FernandezCentre for Cognitive Neuroimaging, Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen Nijmegen, Netherlands ; Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center Nijmegen, Netherlands.
Jan BuitelaarDepartment of Psychiatry, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center Nijmegen, Netherlands ; Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center Nijmegen, Netherlands.
Barbara FrankeDepartment of Human Genetics, Radboud University Medical Center Nijmegen, Netherlands ; Department of Psychiatry, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center Nijmegen, Netherlands ; Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center Nijmegen, Netherlands.
Simon E FisherLanguage and Genetics Department, Max Planck Institute for Psycholinguistics Nijmegen, Netherlands ; Donders Institute for Brain, Cognition and Behavior, Radboud University Nijmegen Nijmegen, Netherlands.
Clyde FrancksLanguage and Genetics Department, Max Planck Institute for Psycholinguistics Nijmegen, Netherlands ; Donders Institute for Brain, Cognition and Behavior, Radboud University Nijmegen Nijmegen, Netherlands.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The left and right sides of the human brain are specialized for different kinds of information processing, and much of our cognition is lateralized to an extent toward one side or the other. Handedness is a reflection of nervous system lateralization. Roughly ten percent of people are mixed- or left-handed, and they show an elevated rate of reductions or reversals of some cerebral functional asymmetries compared to right-handers. Brain anatomical correlates of left-handedness have also been suggested. However, the relationships of left-handedness to brain structure and function remain far from clear. We carried out a comprehensive analysis of cortical surface area differences between 106 left-handed subjects and 1960 right-handed subjects, measured using an automated method of regional parcellation (FreeSurfer, Destrieux atlas). This is the largest study sample that has so far been used in relation to this issue. No individual cortical region showed an association with left-handedness that survived statistical correction for multiple testing, although there was a nominally significant association with the surface area of a previously implicated region: the left precentral sulcus. Identifying brain structural correlates of handedness may prove useful for genetic studies of cerebral asymmetries, as well as providing new avenues for the study of relations between handedness, cerebral lateralization and cognition.

Indexed as

brain asymmetrycortical surface areaFreeSurferhandednessMRI

Identifiers

PMID24734025
PMCPMC3975119

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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.