Evidence map›Paper›PMID 30249772›Full record

ReviewPhilosophical transactions of the Royal Society of London. Series B, Biological sciences2018

Mechanics of cortical folding: stress, growth and stability.

K E Garcia, C D Kroenke, P V Bayly

Open access · bronzeAbstract readReview
In one paragraph

Review in Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 83 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
83citing papers in PubMed, 1 pooled it
5.1field-weighted citation impact, top 4% 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

83 citing papers in PubMed, 1 synthesis or guideline pooled it, 164 citations in OpenAlex.

  1. Pooled it
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  15. Standardizing the lateral fluid percussion model of trauma in marmosets (Callithrix jacchus): regional vulnerability and inflammatory response.Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas · 2026
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23 more citing papers are in PubMed but not listed here.

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

3 authors at 3 institutions in 1 country.

K E GarciaMechanical Engineering and Materials Science, Washington University in Saint Louis, Saint Louis, MO, USA.ORCID 0000-0003-1325-0749
C D KroenkeAdvanced Imaging Research Center, Oregon Health & Science University, Portland, OR, USA.ORCID 0000-0001-7398-3632
P V BaylyMechanical Engineering and Materials Science, Washington University in Saint Louis, Saint Louis, MO, USA pvb@wustl.edu.ORCID 0000-0003-4303-0704
Advanced Imaging Research (United States) · USUniversity of Southern Indiana · USWashington University in St. Louis · US

Funding

Upgrade of confocal microscopy at the Oregon National Primate Research CenterP51OD011092 · OD · OREGON HEALTH & SCIENCE UNIVERSITY · PI Bonnie J. Nagel · 2012 to 2026
$203.9M
IN VIVO MEASUREMENT OF BRAIN BIOMECHANICSR01NS055951 · NINDS · WASHINGTON UNIVERSITY · PI BAYLY, PHILIP V · 2007 to 2017
$3.9M
UNDERSTANDING NEUROBEHAVIORAL DEFICITS IN PRETERM INFANTS THROUGH IMAGINGR01HD057098 · NICHD · WASHINGTON UNIVERSITY · PI INDER, TERRIE E, NEIL, JEFFREY J. · 2008 to 2012
$2.9M
Characterizing the FASD cerebral cortex in utero with DTIR01AA021981 · NIAAA · OREGON HEALTH & SCIENCE UNIVERSITY · PI KROENKE, CHRISTOPHER D · 2013 to 2017
$2.3M
INTERDISCIPLINARY TRAINING IN MECHANOBIOLOGY FROM NM TO CMT32EB018266 · NIBIB · WASHINGTON UNIVERSITY · PI BAYLY, PHILIP V · 2014 to 2018
$987k
NIAAA NIH HHS R01 AA021981NIBIB NIH HHS T32 EB018266NICHD NIH HHS R01 HD057098NIH HHS P51 OD011092NINDS NIH HHS R01 NS055951
6 · The paper itself

Abstract

Cortical folding, or gyrification, coincides with several important developmental processes. The folded shape of the human brain allows the cerebral cortex, the thin outer layer of neurons and their associated projections, to attain a large surface area relative to brain volume. Abnormal cortical folding has been associated with severe neurological, cognitive and behavioural disorders, such as epilepsy, autism and schizophrenia. However, despite decades of study, the mechanical forces that lead to cortical folding remain incompletely understood. Leading hypotheses have focused on the roles of (i) tangential growth of the outer cortex, (ii) spatio-temporal patterns in the birth and migration of neurons, and (iii) internal tension in axons. Recent experimental studies have illuminated not only the fundamental cellular and molecular processes underlying cortical development, but also the stress state, mechanical properties and spatio-temporal patterns of growth in the developing brain. The combination of mathematical modelling and physical measurements has allowed researchers to evaluate hypothesized mechanisms of folding, to determine whether each is consistent with physical laws. This review summarizes what physical scientists have learned from models and recent experimental observations, in the context of recent neurobiological discoveries regarding cortical development. Here, we highlight evidence of a combined mechanism, in which spatio-temporal patterns bias the locations of primary folds (i), but tangential growth of the cortical plate induces mechanical instability (ii) to propagate primary and higher-order folds.This article is part of the Theo Murphy meeting issue 'Mechanics of development'.

Indexed as

AnimalsBiomechanical PhenomenaCerebral CortexHumansModels, Neurologicalcortical foldinggrowthgyrificationinstabilitymodellingstress

Identifiers

PMID30249772
PMCPMC6158197
OpenAlexW2893265961

What OpenQuestion holds

Textmetadata
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.