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Automated 3-D extraction and evaluation of the inner and outer cortical surfaces using a Laplacian map and partial volume effect classification
2005
NeuroImage
across a less restricted range of cortical thickness values. ...
In the surface-based evaluation, using synthesized thick cortex, the average difference between simulated and extracted surfaces was 4.6 T 1.4 mm for conventional ASP and 0.5 T 0.4 mm for CLASP. ...
Acknowledgments This work was supported by the Post-doctoral Fellowship Program of Korea Science and Engineering Foundation (KOSEF). ...
doi:10.1016/j.neuroimage.2005.03.036
pmid:15896981
fatcat:vtohlijhoja3plmlwwdku4eqii
Small focal cortical dysplasia lesions are located at the bottom of a deep sulcus
2008
Brain
Visual assessment of morphological characteristics of FCD and sulci harbouring them is difficult due to the complexity of brain convolutions. ...
Sulci were identified and labelled automatically using an algorithm based on a congregation of neural networks. Segmented FCD lesions and sulci were then simultaneously visualized in 3D. ...
A detailed histological examination of surgically resected tissue of patients with pharmacoresistant epilepsy has shown that major gyri may be composed of microscopic gyri with corresponding sulci (Kaufmann ...
doi:10.1093/brain/awn224
pmid:18812443
fatcat:xtse7b3hgre5jch7w6oab2hrti
A Library of Cortical Morphology Analysis Tools to Study Development, Aging and Genetics of Cerebral Cortex
2011
Neuroinformatics
We provide a description of each tool and examples for several case studies to demonstrate their use. ...
We describe a library of tools developed to quantify global and regional differences in cortical anatomy in high resolution structural MR images. ...
Acknowledgments This research was supported by the National Institute of Biomedical Imaging and Bioengineering (K01 EB006395) grant to P.K. ...
doi:10.1007/s12021-011-9127-9
pmid:21698393
pmcid:PMC3471145
fatcat:awmuxx2g7bhr3humkrephmarnq
Using sulcal and gyral measures of brain structure to investigate benefits of an active lifestyle
2014
NeuroImage
However, cortical sulci may provide additional information to these more standard measures. ...
Method: Associations between physical activity, brain structure, and cognition were investigated in a large, community-based sample of cognitively healthy individuals (N=317) using both sulcal and volumetric ...
Independent measures of mean depth and width were assessed in both the left and right hemispheres for these five sulci (Figure 2) . ...
doi:10.1016/j.neuroimage.2014.01.008
pmid:24434675
fatcat:uqgsoh5hovfxbpeyx64gsnwr24
Robust Cortical Thickness Morphometry of Neonatal Brain and Systematic Evaluation Using Multi-Site MRI Datasets
2021
Frontiers in Neuroscience
Qualitative assessment for reconstructed cortical surfaces shows that 86.9% are rated as accurate across the three site datasets. ...
The range of the cortical thickness measured was biologically congruent (1.3 mm at 28 weeks of PMA to 1.8 mm at term equivalent). ...
FUNDING This study was supported by the National Institutes of Health grants (P41EB015922; U54EB020406; U19AG024904; U01NS086090; and 003585-00001). ...
doi:10.3389/fnins.2021.650082
pmid:33815050
pmcid:PMC8010150
fatcat:375ffvilgrdq7hgdvxc3emna2e
Cortical thinning in obsessive compulsive disorder
2007
Human Brain Mapping
With recent advances in neuroimaging technology, it is now possible to study cortical thickness based on cortical surfaces, which offers a direct quantitative index of cortical mass. ...
Using the constrained Laplacian-based automated segmentation with proximities (CLASP) algorithm, we measured cortical thickness of 55 patients with OCD (33 men and 22 women) and 52 ageand sex-matched healthy ...
Except part of the posterior central gyri and parietal sulci, most regions had a negative cortical thickness difference (OCD-normal group). ...
doi:10.1002/hbm.20338
pmid:17525985
fatcat:5r2qoxsvgbexvbkhnbng7smqbu
Optimized Cortical Subdivision for Classification of Alzheimer's Disease With Cortical Thickness
[chapter]
2013
Bildverarbeitung für die Medizin 2013
In several studies, brain atrophy measured by cortical thickness has shown to be a meaningful biomarker for Alzheimer's disease. ...
In every aspect, superior classification performance was observed as compared to the original parcellation scheme which can be explained by the increased locality of cortical thickness measures and the ...
By measuring geodesic distances T between those surface points, a pruning function is defined that can be thresholded to separate gyri and sulci at different height levels. ...
doi:10.1007/978-3-642-36480-8_8
dblp:conf/bildmed/RichterM13
fatcat:hnctn6d7ejgcla5wezhohfedmq
A comparison between voxel-based cortical thickness and voxel-based morphometry in normal aging
2009
NeuroImage
The morphology of cortical grey matter is commonly assessed using T1-weighted MRI together with automated computerised methods such as voxel-based morphometry (VBM) and cortical thickness measures. ...
Our findings suggest that while VBCT selectively investigates cortical thickness, VBM provides a mixed measure of grey matter including cortical surface area or cortical folding, as well as cortical thickness ...
., 2006) was used for this purpose. The second modification used a skeletonized representation of the binarised CSF segment to improve the delineation of deep sulci in the brain. ...
doi:10.1016/j.neuroimage.2009.06.043
pmid:19559801
pmcid:PMC2741580
fatcat:5rmqz6ol7zhx7nbpsvbnrmhcia
Mindboggling morphometry of human brains
[article]
2016
bioRxiv
pre-print
Mindboggle computes a variety of (primarily surface-based) shapes: area, volume, thickness, curvature, depth, Laplace-Beltrami spectra, Zernike moments, etc. ...
Very few software algorithms provide more than measures of volume and cortical thickness, and more subtle shape measures may provide more sensitive and specific biomarkers. ...
For 16 cortical regions in the 40 subjects, we measured scan-rescan reliability of 745 cortical thickness measures, and we compared thickness measures with published estimates based on 746 manual delineations ...
doi:10.1101/091322
fatcat:kfgcikresvcntlem6eyrjh2lmu
Cortical surface segmentation and mapping
2004
NeuroImage
Results demonstrating the application of this approach to a study of cortical thickness changes in aging are presented. D 2004 Elsevier Inc. All rights reserved. ...
This paper describes a comprehensive approach for cortical reconstruction, flattening, and sulcal segmentation. ...
Noor Kabani for providing the hand-labeled atlas data and Kirsten Behnke for assistance with the atlas data. This work was supported in part by NIH/NINDS Grant R01NS37747. ...
doi:10.1016/j.neuroimage.2004.07.042
pmid:15501080
pmcid:PMC4587756
fatcat:5poegzjszvhnpfq7zha2haka24
Altered grey matter volume, perfusion and white matter integrity in very low birthweight adults
2019
NeuroImage: Clinical
MRI analyses included: a) structural MRI to assess grey matter (GM) volume and cortical thickness; b) arterial spin labelling (ASL) to quantify GM perfusion; and c) diffusion tensor imaging (DTI) to measure ...
Of the 338 who survived to discharge, 229 were assessed at age 27-29 years. Of these, 150 had a 3 T MRI scan alongside 50 healthy term-born controls. ...
Acknowledgements We thank all of the young participants for their willingness to take part in this study. We are grateful to Julia Martin, the Project Manager, and Dr. ...
doi:10.1016/j.nicl.2019.101780
pmid:30925384
pmcid:PMC6438988
fatcat:2ok2x2oe3nbztksu56dfgyhafu
System for Integrated Neuroimaging Analysis and Processing of Structure
2012
Neuroinformatics
Mapping brain structure in relation to neurological development, function, plasticity, and disease is widely considered to be one of the most essential challenges for opening new lines of neuro-scientific ...
Robust and consistent estimates of the cortical surface extraction, cortical labeling, diffusion-inferred contrasts, diffusion tractography, and subcortical parcellation are demonstrated in a scan-rescan ...
Acknowledgments The authors are appreciative of the careful feedback from the anonymous reviewers and editor (Dr. David Kennedy). ...
doi:10.1007/s12021-012-9159-9
pmid:22932976
pmcid:PMC3511612
fatcat:krgqmregs5hqnm3isklageiqi4
Voxel-based cortical thickness measurements in MRI
2008
NeuroImage
Here we present a method for automatically generating voxel-based cortical thickness (VBCT) maps. This technique results in maps where each voxel in the grey matter is assigned a thickness value. ...
Sub-voxel measurements of thickness are possible using sub-sampling and interpolation of the image information. ...
Automated methods for measuring cortical thickness in MRI may be categorized as either surface-based, voxel-based or a mixture of the two. ...
doi:10.1016/j.neuroimage.2008.01.027
pmid:18325790
pmcid:PMC2330066
fatcat:x4kryszslzbjjceeqho57xuzwa
Measurement of cortical thickness from MRI by minimum line integrals on soft-classified tissue
2009
Human Brain Mapping
In this work, we present a framework for measuring the cortical thickness, based on minimizing line integrals over the probability map of the gray matter in the MRI volume. ...
Then, the thickness is basically defined for each voxel as the minimum line integral of the probability map on line segments centered at the point of interest. ...
Acknowledgments This work was supported in part by the National Institutes of Health (NIH), the National Science Foundation (NSF), the National Center for Research Resources (P41 RR14075), the National ...
doi:10.1002/hbm.20740
pmid:19219850
pmcid:PMC2903209
fatcat:yybvw3c2ovgmjjw3kynpestdsq
Mindboggling morphometry of human brains
2017
PLoS Computational Biology
Mindboggle computes a variety of (primarily surface-based) shapes: area, volume, thickness, curvature, depth, Laplace-Beltrami spectra, Zernike moments, etc. ...
Very few software algorithms provide more than measures of volume and cortical thickness, while more subtle shape measures may provide more sensitive and specific biomarkers. ...
Software and online resources that have benefitted the project include: GitHub.com, Read-theDocs.org, and PyCharm for software development; Open Science Framework, Harvard Dataverse, and Synapse.org for ...
doi:10.1371/journal.pcbi.1005350
pmid:28231282
pmcid:PMC5322885
fatcat:lsqa2kigtzfivlkqzrnmkri37u
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