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Voxel-based morphometry at ultra-high fields. A comparison of 7T and 3T MRI data

Rene Seiger, Andreas Hahn, Allan Hummer, Georg S. Kranz, Sebastian Ganger, Martin Küblböck, Christoph Kraus, Ronald Sladky, Siegfried Kasper, Christian Windischberger, Rupert Lanzenberger
2015 NeuroImage  
Although several strategies have been proposed, a systematic investigation of bias-corrected 7 T data for voxel-based morphometry (VBM) is still missing and it is an ongoing matter of debate if VBM at  ...  Recent technological progress enables MRI recordings at ultra-high fields of 7 T and above leading to brain images of higher resolution and increased signal-to-noise ratio.  ...  Lüsebrink for his remarks regarding the bias correction step at ultra-high fields.  ... 
doi:10.1016/j.neuroimage.2015.03.019 pmid:25791781 pmcid:PMC5341769 fatcat:2rmy4rufprbc3kkyj7gffjsck4

Focal CA3 hippocampal subfield atrophy following LGI1 VGKC-complex antibody limbic encephalitis

Thomas D. Miller, Trevor T.-J. Chong, Anne M. Aimola Davies, Tammy W.C. Ng, Michael R. Johnson, Sarosh R. Irani, Angela Vincent, Masud Husain, Saiju Jacob, Paul Maddison, Christopher Kennard, Penny A. Gowland (+1 others)
2017 Brain  
vivo ultra-high resolution (0.39 Â 0.39 Â 1.0 mm 3 ) 7.0 T magnetic resonance imaging [n = 18 patients, 17 patients (94%) positive for LGI1 antibody and one patient negative for LGI1/CASPR2 but positive  ...  Second, early and later intervention (53 versus 43 months from symptom onset) were associated with CA3 atrophy. Third, whole-brain voxel-by-voxel morphometry revealed no significant grey matter loss.  ...  Group voxel-by-voxel based morphometry A voxel-by-voxel contrast of normalized grey matter conducted using a two-sample t-test thresholded at P 5 0.05 Results from hippocampal subfield segmentation in  ... 
doi:10.1093/brain/awx070 pmid:28369215 pmcid:PMC5405234 fatcat:z2tjc7sw6jfftclblx4qrezdua

基于表面的形态测量学:3T与7T高分辨磁共振结构成像受试者内比较

陈志晔,刘梦琦,马林, Zhiye Chen, Mengqi Liu, Lin Ma
2017 Chinese Medical Sciences Journal  
The aim of this study was to compare cortical structural characteristics of normal human brain between 3T and 7T MRI systems using surface-based morphometry based on high resolution structural MR imaging  ...  MRI data were processed with FreeSurfer. The cortical thickness, white and gray matter surface area, convexity, and curvature from data of 3T and 7T were measured and compared by paired t-test.  ...  includes visual observation, voxel-based cortical thickness analysis, and voxel-based morphometry, which could reflect macroscopical structural characteristics. 2, 3 Fine structural imaging of brain  ... 
doi:10.24920/j1001-9294.2017.031 pmid:29301597 fatcat:6posp7e5xjdstiwjs2belqlloy

Cortical thickness determination of the human brain using high resolution 3T and 7T MRI data

Falk Lüsebrink, Astrid Wollrab, Oliver Speck
2013 NeuroImage  
ARCTIC, utilizing a voxel-based approach, and FreeSurfer, utilizing a surface-based approach, have been used to compute the cortical thickness of the high resolution 3 T and 7 T data and of the ultra-high  ...  This study compares ultra-high resolution data acquired at 7 T with 3 T data for determination of the cortical thickness of the human brain.  ...  Subaramaniam of the FreeSurfer team for providing a modification of the skull stripping procedure to overcome the conformation of the input data to an isotropic resolution of 1 mm.  ... 
doi:10.1016/j.neuroimage.2012.12.016 pmid:23261638 fatcat:4av3w3poafer3l6dhlki3y7doa

Voxel-based morphometry for separation of schizophrenia from other types of psychosis in first episode psychosis

Lena Palaniyappan, Nicola Maayan, Hanna Bergman, Clare Davenport, Clive E Adams, Karla Soares-Weiser
2015 The Cochrane library  
Cochrane Database of Systematic Reviews Voxel-based morphometry for separation of schizophrenia from other types of psychosis in first episode psychosis (Review) T A B L E O F C O N T E N Data collection  ...  Phase II Date: 06-12-13 1 voxel-based morphometry.tw. (1167) 2 VBM.tw. (528) 3 1 or 2 (1223) 4 exp Schizophrenia/ (65558) 5 schizophren$.tw. (89948) 6 4 or 5 (90931) 7 3 and 6 (199) Voxel-based  ...  to a template) can reduce the misinterpretation of significant differences in comparison to 'standard voxel-based morphometry (where images are first registered to the template and then separated) (Mechelli  ... 
doi:10.1002/14651858.cd011021.pub2 pmid:26252640 fatcat:wwjkih3jcvdc7cwqgds633nwky

Deformation-based brain morphometry in rats

Christian Gaser, Silvio Schmidt, Martin Metzler, Karl-Heinz Herrmann, Ines Krumbein, Jürgen R. Reichenbach, Otto W. Witte
2012 NeuroImage  
Experiments on small animals using automated morphometric methods usually require expensive measurements with ultra-high field dedicated animal MRI systems.  ...  Here, we developed a novel deformation-based morphometry (DBM) tool for automated analyses of rat brain images measured on a 3-Tesla clinical whole body scanner with appropriate coils.  ...  We thank Noras MRI products GmbH and Siemens Health Care Sector for their support, and the mechanical workshop of the Friedrich Schiller University Jena for its help in creating various animal head holders  ... 
doi:10.1016/j.neuroimage.2012.06.066 pmid:22776449 fatcat:uep4bw5eojg65px2zo3e3dkbne

Neuroanatomical Abnormalities That Predate the Onset of Psychosis

Andrea Mechelli, Anita Riecher-Rössler, Eva M. Meisenzahl, Stefania Tognin, Stephen J. Wood, Stefan J. Borgwardt, Nikolaos Koutsouleris, Alison R. Yung, James M. Stone, Lisa J. Phillips, Patrick D. McGorry, Isabel Valli (+4 others)
2011 Archives of General Psychiatry  
Group differences in gray matter volume were examined using optimized voxel-based morphometry.  ...  Participants: A total of 182 individuals at UHR and 167 healthy controls. Participants were observed clinically for a mean of 2 years.  ...  MRI ACQUISITION At all 5 sites, volumetric MRIs were acquired using a T1weighted protocol. At 4 sites, the scanner field strength was 1.5 T, and at 1 site it was 3 T.  ... 
doi:10.1001/archgenpsychiatry.2011.42 pmid:21536978 fatcat:jm5fq2ih2bc2pfiuvttd452n3m

Neuroanatomical Changes in Leber's Hereditary Optic Neuropathy: Clinical Application of 7T MRI Submillimeter Morphometry

Kamil Jonak, Paweł Krukow, Mark Symms, Ryszard Maciejewski, Cezary Grochowski
2020 Brain Sciences  
analysis approach to the ultra-high-field 7T magnetic resonance imaging data.  ...  This study aimed to improve our understanding of morphometric changes in subcortical brain areas and their associations with the clinical picture in LHON by the application of a submillimeter surface-based  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/brainsci10060359 pmid:32526981 fatcat:h6eepi7subea5bk4sfki54lone

Regionally accentuated reversible brain grey matter reduction in ultra marathon runners detected by voxel-based morphometry

Wolfgang Freund, Sonja Faust, Christian Gaser, Georg Grön, Frank Birklein, Arthur P Wunderlich, Marguerite Müller, Christian Billich, Uwe H Schütz
2014 BMC Sports Science, Medicine and Rehabilitation  
Using voxel-based morphometry (VBM) we undertook a cross sectional study and two longitudinal studies.  ...  Because of drop-outs during the race, VBM could be performed in 10 runners covering the first 3 time points, and in 7 runners who also had the follow-up scan after 8 months.  ...  Heike Wiedelbach and Martin Erhard participated in data acquisition.  ... 
doi:10.1186/2052-1847-6-4 pmid:24438692 pmcid:PMC3896776 fatcat:h7gixzgacjbf3eglxcpgam2x5a

Long-term meditation is associated with increased gray matter density in the brain stem

Peter Vestergaard-Poulsen, Martijn van Beek, Joshua Skewes, Carsten R. Bjarkam, Michael Stubberup, Jes Bertelsen, Andreas Roepstorff
2009 NeuroReport  
This could account for some of the cardiorespiratory parasympathetic effects and traits, as well as the cognitive, emotional, and immunoreactive impact reported in several studies of different meditation  ...  Here, we report evidence of structural differences in the lower brainstem of participants engaged in the long-term practice of meditation.  ...  Acknowledgements The authors are grateful for useful suggestions and support from Chris Frith, James H. Austin  ... 
doi:10.1097/wnr.0b013e328320012a pmid:19104459 fatcat:eiii7e7pmne23cu75mmykhtlui

In-vivo magnetic resonance imaging (MRI) of laminae in the human cortex

Robert Trampel, Pierre-Louis Bazin, Kerrin Pine, Nikolaus Weiskopf
2017 NeuroImage  
As a result, recent studies on large populations and structure-function relationships at the laminar level became possible.  ...  This paper reviews the methods and in-vivo MRI studies on the anatomical layers in the human cortex based on conventional and quantitative MRI (excluding diffusion imaging).  ...  Acknowledgements We would like to thank Daniel H€ anelt and Jochen Schmidt for proofreading the manuscript. NW has received funding from the European Research  ... 
doi:10.1016/j.neuroimage.2017.09.037 pmid:28942063 fatcat:k2agtp5dtzctnbx7ttqdu6baxm

Baseline grey matter volume of non-transitioned "ultra high risk" for psychosis individuals with and without attenuated psychotic symptoms at long-term follow-up

Vanessa L. Cropley, Ashleigh Lin, Barnaby Nelson, Renate L.E.P. Reniers, Alison R. Yung, Cali F. Bartholomeusz, Paul Klauser, Dennis Velakoulis, Patrick McGorry, Stephen J. Wood, Christos Pantelis
2016 Schizophrenia Research  
Acknowledgements Neuroimaging analysis was facilitated by the Neuropsychiatry Imaging Laboratory managed by Ms Bridget Soulsby at the Melbourne Neuropsychiatry Centre and supported by Neurosciences Victoria  ...  Transition and remission in adolescents at ultra-high risk for psychosis. Schizophr Res 126(1-3), 58-64.  ...  High remission rates from an initial ultra-high risk state for psychosis. Schizophr Res 116(2-3), 168-172.  ... 
doi:10.1016/j.schres.2015.05.014 pmid:26032566 fatcat:osmwcx6qgrattoh36occjnv5qy

Using Structural Neuroimaging to Make Quantitative Predictions of Symptom Progression in Individuals at Ultra-High Risk for Psychosis

Stefania Tognin, William Pettersson-Yeo, Isabel Valli, Chloe Hutton, James Woolley, Paul Allen, Philip McGuire, Andrea Mechelli
2014 Frontiers in Psychiatry  
Forty people at ultra-high risk for psychosis were scanned using structural MRI at first clinical presentation and assessed over a period of 2 years using the Positive and Negative Syndrome Scale.  ...  We examined the potential of structural Magnetic Resonance Imaging (MRI) data for making accurate quantitative predictions about symptom progression in individuals at ultra-high risk for developing psychosis  ...  Individuals at ultra-high risk for psychosis were identified based on the Personal Assessment and Crisis Evaluation (PACE) criteria (50) .  ... 
doi:10.3389/fpsyt.2013.00187 pmid:24523700 pmcid:PMC3905239 fatcat:6fdddv7fbbborhzgioekcsusnq

Volumetric, relaxometric and diffusometric correlates of psychotic experiences in a non-clinical sample of young adults

Mark Drakesmith, Anirban Dutt, Leon Fonville, Stanley Zammit, Abraham Reichenberg, C. John Evans, Philip McGuire, Glyn Lewis, Derek K. Jones, Anthony S. David
2016 NeuroImage: Clinical  
Grey matter (GM) abnormalities are robust features of schizophrenia and of people at ultra high-risk for psychosis.  ...  Differences in quantitative GM structure were assessed using voxel-based morphometry (VBM). Binary and ordinal models of PEs were tested.  ...  Imaging Structural MRI acquisition All MRI data were acquired at Cardiff University Brain Imaging Research Centre, UK on a 3 T General Electric HDx MRI system (GE Medical Systems, Milwaukee, WI) using  ... 
doi:10.1016/j.nicl.2016.09.002 pmid:27689019 pmcid:PMC5031471 fatcat:26sn6tooq5arhdnuv5gk6updka

Studying neuroanatomy using MRI

Jason P Lerch, André J W van der Kouwe, Armin Raznahan, Tomáš Paus, Heidi Johansen-Berg, Karla L Miller, Stephen M Smith, Bruce Fischl, Stamatios N Sotiropoulos
2017 Nature Neuroscience  
Developments in MRI acquisition, image processing, and data modelling have been key to these advances. However, MRI provides an indirect measurement of the biological signals we aim to investigate.  ...  Thus, artifacts and key questions of correct interpretation can confound the readouts provided by anatomical MRI.  ...  These data indicate the type of rich information about brain structure that can be obtained from MRI in a single session. Figure 2 : Voxel Based Morphometry (VBM).  ... 
doi:10.1038/nn.4501 pmid:28230838 fatcat:coxs7fvuxneifo5sh2yoos2nf4
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