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Author : Junzhong Xu
Publisher :
ISBN 13 :
Total Pages : 85 pages
Book Rating : 4.:/5 (68 download)
Download or read book Diffusion Weighted Magnetic Resonance Imaging by Temporal Diffusion Spectroscopy written by Junzhong Xu and published by . This book was released on 2008 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel Christopher Colvin
Publisher :
ISBN 13 :
Total Pages : 149 pages
Book Rating : 4.:/5 (76 download)
Download or read book Examining Tissue Microstructure with Temporal Diffusion Magnetic Resonance Spectroscopy written by Daniel Christopher Colvin and published by . This book was released on 2009 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kei Yamada
Publisher : Elsevier
ISBN 13 : 9780323759960
Total Pages : 240 pages
Book Rating : 4.7/5 (599 download)
Download or read book MRI Clinics of North America, an Issue of Magnetic Resonance Imaging Clinics of North America, Volume 29-2 written by Kei Yamada and published by Elsevier. This book was released on 2021-05-28 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: This issue of MRI Clinics focuses on Advances in Diffusion-weighted Imaging and is edited by Dr. Kei Yamada. Articles will include: Technical Basics of Diffusion-weighted Imaging; Neurofluid as Assessed by Diffusion-weighted Imaging; Diffusion-weighted Imaging is the Key to Diagnoses; Diffusion-weighted Imaging of the Spinal Cord; Intracranial Abnormalities with Diffusion Restriction; Brain Anatomy by Diffusion-weighted Imaging; Measuring Perfusion: Intravoxel Incoherent Motion; Temperature Measurement by Diffusion-weighted Imaging; Diffusion-weighted Imaging at Ultra-high Field MRI; Diffusion-weighted Imaging for Radiomics; Diffusion Weighted Imaging for Infants; Diffusion-weighted Imaging of the Head and Neck (Including Temporal Bone); DTI, DKI and Q-space Imaging; and more!
Author : Denis Le Bihan
Publisher : Raven Press (ID)
ISBN 13 :
Total Pages : 418 pages
Book Rating : 4.3/5 (91 download)
Download or read book Diffusion and Perfusion Magnetic Resonance Imaging written by Denis Le Bihan and published by Raven Press (ID). This book was released on 1995 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Derek K Jones
Publisher : Oxford University Press
ISBN 13 : 0199708703
Total Pages : 784 pages
Book Rating : 4.1/5 (997 download)
Download or read book Diffusion MRI written by Derek K Jones and published by Oxford University Press. This book was released on 2010-11-11 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: Professor Derek Jones, a world authority on diffusion MRI, has assembled most of the world's leading scientists and clinicians developing and applying diffusion MRI to produce an authorship list that reads like a "Who's Who" of the field and an essential resource for those working with diffusion MRI. Destined to be a modern classic, this definitive and richly illustrated work covers all aspects of diffusion MRI from basic theory to clinical application. Oxford Clinical Neuroscience is a comprehensive, cross-searchable collection of resources offering quick and easy access to eleven of Oxford University Press's prestigious neuroscience texts. Joining Oxford Medicine Online these resources offer students, specialists and clinical researchers the best quality content in an easy-to-access format.
Author : Moo K. Chung
Publisher : Cambridge University Press
ISBN 13 : 110718486X
Total Pages : 343 pages
Book Rating : 4.1/5 (71 download)
Download or read book Brain Network Analysis written by Moo K. Chung and published by Cambridge University Press. This book was released on 2019-06-27 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: This coherent mathematical and statistical approach aimed at graduate students incorporates regression and topology as well as graph theory.
Author : Herman Bachelard
Publisher : Springer Science & Business Media
ISBN 13 : 1461558638
Total Pages : 427 pages
Book Rating : 4.4/5 (615 download)
Download or read book Magnetic Resonance Spectroscopy and Imaging in Neurochemistry written by Herman Bachelard and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Advances in Neurochemistry series was initiated for a readership of neuroscientists with a background in biochemistry. True to this concept, the present volume brings together various applications of magnetic resonance technology to advance our knowledge of how the nervous system functions. Whether at the cellular, tissue slice, or intact organism level. magnetic resonance techniques are by their nature noninvasive, and thus provide a window through which biochemical reactions can be viewed without grinding, binding, or other wise perturbing ongoing physiological processes. As technological improve ments in methodology, such as higher and more uniform magnetic fields, novel paradigms for data analysis, etc. , are made, we find increased sensitivity and improved temporal and spatial resolution for functional imaging techniques on the one hand, and better separation of signals that identify chemical properties in spectral shift studies, on the other. It is upon knowledge such as is described in the twelve chapters that follow, that further advances in scientific discovery and the biomedical applications of tomorrow will be based. We are grateful to Dr. Bachelard, the Volume Editor, and to the authors of the individual chapters for their efforts. We also note that with this volume Dr. Morris Aprison, a co-founder of the Advances in Neurochemistry series has stepped down and acknowledge with thanks his major role in its inception. In addition, we thank our past and present Advisory Editors. Bernard W. Agranoff Kunihiko Suzuki Series Editors ix CONTENTS LIST OF SYMBOLS AND GLOSSARY . . . . . . . . . . . . . . . . . . . . . . . . . . . XXI INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Author : Heidi Johansen-Berg
Publisher : Academic Press
ISBN 13 : 0080878512
Total Pages : 507 pages
Book Rating : 4.0/5 (88 download)
Download or read book Diffusion MRI written by Heidi Johansen-Berg and published by Academic Press. This book was released on 2009-04-28 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diffusion MRI is a magnetic resonance imaging (MRI) method that produces in vivo images of biological tissues weighted with the local microstructural characteristics of water diffusion, providing an effective means of visualizing functional connectivities in the nervous system. This book is the first comprehensive reference promoting the understanding of this rapidly evolving and powerful technology and providing the essential handbook for designing, analyzing or interpreting diffusion MR experiments.The book presents diffusion imaging in the context of well-established, classical experimental techniques, so that readers will be able to assess the scope and limitations of the new imaging technology with respect to techniques available previously. All chapters are written by leading international experts and cover methodology, validation of the imaging technology, application of diffusion imaging to the study of variation and development of normal brain anatomy, and disruption to the white matter in neurological disease or psychiatric disorder. • Discusses all aspects of a diffusion MRI study from acquisition, through analysis, to interpretation, providing an essential reference text for scientists designing or interpreting diffusion MR experiments• Practical advice on running an experiment• Full color throughout
Author : Susumu Mori
Publisher : Academic Press
ISBN 13 : 0123984076
Total Pages : 141 pages
Book Rating : 4.1/5 (239 download)
Download or read book Introduction to Diffusion Tensor Imaging written by Susumu Mori and published by Academic Press. This book was released on 2013-08-02 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: The concepts behind diffusion tensor imaging (DTI) are commonly difficult to grasp, even for magnetic resonance physicists. To make matters worse, a many more complex higher-order methods have been proposed over the last few years to overcome the now well-known deficiencies of DTI. In Introduction to Diffusion Tensor Imaging: And Higher Order Models, these concepts are explained through extensive use of illustrations rather than equations to help readers gain a more intuitive understanding of the inner workings of these techniques. Emphasis is placed on the interpretation of DTI images and tractography results, the design of experiments, and the types of application studies that can be undertaken. Diffusion MRI is a very active field of research, and theories and techniques are constantly evolving. To make sense of this constantly shifting landscape, there is a need for a textbook that explains the concepts behind how these techniques work in a way that is easy and intuitive to understand—Introduction to Diffusion Tensor Imaging fills this gap. Extensive use of illustrations to explain the concepts of diffusion tensor imaging and related methods Easy to understand, even without a background in physics Includes sections on image interpretation, experimental design, and applications Up-to-date information on more recent higher-order models, which are increasingly being used for clinical applications
Author : Shujun Ding
Publisher :
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.:/5 (838 download)
Download or read book Diffusion-weighted Magnetic Resonance Imaging with High Gradient Fields written by Shujun Ding and published by . This book was released on 1996 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xuan Gu
Publisher : Linköping University Electronic Press
ISBN 13 : 9175190036
Total Pages : 93 pages
Book Rating : 4.1/5 (751 download)
Download or read book Advanced analysis of diffusion MRI data written by Xuan Gu and published by Linköping University Electronic Press. This book was released on 2019-11-19 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diffusion magnetic resonance imaging (diffusion MRI) is a non-invasive imaging modality which can measure diffusion of water molecules, by making the MRI acquisition sensitive to diffusion. Diffusion MRI provides unique possibilities to study structural connectivity of the human brain, e.g. how the white matter connects different parts of the brain. Diffusion MRI enables a range of tools that permit qualitative and quantitative assessments of many neurological disorders, such as stroke and Parkinson. This thesis introduces novel methods for diffusion MRI data analysis. Prior to estimating a diffusion model in each location (voxel) of the brain, the diffusion data needs to be preprocessed to correct for geometric distortions and head motion. A deep learning approach to synthesize diffusion scalar maps from a T1-weighted MR image is proposed, and it is shown that the distortion-free synthesized images can be used for distortion correction. An evaluation, involving both simulated data and real data, of six methods for susceptibility distortion correction is also presented in this thesis. A common problem in diffusion MRI is to estimate the uncertainty of a diffusion model. An empirical evaluation of tractography, a technique that permits reconstruction of white matter pathways in the human brain, is presented in this thesis. The evaluation is based on analyzing 32 diffusion datasets from a single healthy subject, to study how reliable tractography is. In most cases only a single dataset is available for each subject. This thesis presents methods based on frequentistic (bootstrap) as well as Bayesian inference, which can provide uncertainty estimates when only a single dataset is available. These uncertainty measures can then, for example, be used in a group analysis to downweight subjects with a higher uncertainty.
Author : Hua Guo
Publisher :
ISBN 13 :
Total Pages : 316 pages
Book Rating : 4.:/5 (168 download)
Download or read book Improving Functional Magnetic Resonance Imaging Spatial and Temporal Precision Using Apparent Diffusion Coefficient Contrast written by Hua Guo and published by . This book was released on 2006 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jennifer A. McNab
Publisher :
ISBN 13 :
Total Pages : 155 pages
Book Rating : 4.:/5 (678 download)
Download or read book High Resolution Diffusion-weighted Magnetic Resonance Imaging written by Jennifer A. McNab and published by . This book was released on 2009 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jacob Ellegood
Publisher :
ISBN 13 :
Total Pages : 364 pages
Book Rating : 4.:/5 (474 download)
Download or read book Diffusion Weighted Magnetic Resonance Spectroscopy of Human Brain written by Jacob Ellegood and published by . This book was released on 2008 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Denis Le Bihan
Publisher : CRC Press
ISBN 13 : 0429763492
Total Pages : 563 pages
Book Rating : 4.4/5 (297 download)
Download or read book Intravoxel Incoherent Motion (IVIM) MRI written by Denis Le Bihan and published by CRC Press. This book was released on 2018-11-05 with total page 563 pages. Available in PDF, EPUB and Kindle. Book excerpt: First book ever on the topic Discusses current concepts and methodological issues for the successful implementation of IVIM MRI to investigate tissue perfusion non-invasively Covers a wide range of clinical applications Contributions by leading experts in the field from USA, Europe, and Asia and written with a good balance of methodological and clinical chapters Includes an extensive bibliography for further reading
Author : Source Wikipedia
Publisher : University-Press.org
ISBN 13 : 9781230535159
Total Pages : 62 pages
Book Rating : 4.5/5 (351 download)
Download or read book Magnetic Resonance Imaging written by Source Wikipedia and published by University-Press.org. This book was released on 2013-09 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 61. Chapters: Diffusion MRI, Functional magnetic resonance imaging, Physics of magnetic resonance imaging, High-intensity focused ultrasound, Magnetic resonance neurography, Susceptibility weighted imaging, Issues in fMRI, Bloch equations, Libin Cardiovascular Institute of Alberta, ExAblate, Magnetic resonance angiography, MRI contrast agent, FLASH MRI, Centre for Magnetic Resonance Investigations, Spin echo, Tractography, Gadopentetic acid, Real-time MRI, In vivo magnetic resonance spectroscopy, K-space, Spin-lattice relaxation time, Magnetization transfer, Hyperpolarization, Digital Fish Library, Breast MRI, Strain Encoding MRI, Magic angle, Cardiac ventriculography, Spin-spin relaxation time, Magnetic resonance microscopy, Athinoula A. Martinos Center for Biomedical Imaging, Steady-state free precession imaging, Magnetic induction tomography, Interventional magnetic resonance imaging, Jemris, Ernst angle, Fractional anisotropy, Fluid attenuated inversion recovery, FMRI adaptation, Delayed Gadolinium Enhanced Magnetic Resonance Imaging of Cartilage, Linear transform model, Current density imaging, Magnetophosphene, Multispectral segmentation, Radiofrequency coil, Event-related functional magnetic resonance imaging, Magnetic resonance spectroscopic imaging, Flip angle.
Author : Szilvia Anett Nagy
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (12 download)
Download or read book Diffusion-weighted magnetic resonance imaging: mono- and bi-exponential signal decay and post processing applications in the brain written by Szilvia Anett Nagy and published by . This book was released on 2013 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ziel dieser Studie ist Veränderungen des bi-exponentiellen Signals bei Patienten mit mesialer Temporallappen-Epilepsie und Hippocampus-Sklerose zu charakterisieren. Dies erfolgt durch Vergleich zu einer im Alter und Geschlecht angepaßten Referenzgruppe. Diffusionsparameter werden nach diffusionsgewichteter Bildgebung an 3-Tesla MRT, mit mono- und bi-exponentiellem Verfahren berechnet. Dabei werden die sog. MRT-Rohdaten mit Hilfe von Matlab Program, FMRIB-Software und SPSS Statistik-Analyse analisiert und bewertet. Bi-exponentielle Anpassungsfunktion ergibt Parameter von rapiden und langsamen Diffusionskomponenten und deren Fraktion, wobei eine Analyse mit b-Werten bis 3000 s/mm2 wird realisiert. Resultat mono-exponentieller Approximation zeigt Amygdala, Hippocampus und normal erscheinende Weißgewebe-Gebiete mit erhöhter Apparent-Diffusion. Hingegen liegen Fraktionswerte der langsamen Diffusionskomponenten niedriger im Vergleich zu identischen Parameter der Referenzgruppe. Diese Daten demonstrieren: Veränderungen der molekularen Umgebung bei Patienten mit unilateraler mesialer Temporallappen-Epilepsie beeinflussen sowohl Grau- wie Weißgewebe-Strukturen und verursachen eine Verschiebung einzelner Wasserfraktionen im Gehirn.*****The aim of this work is to characterize bi-exponential diffusion signal changes in mesial temporal lobe epilepsy patients with hippocampal sclerosis compared to an age- and sex-matched control group. Diffusion parameters are measured by mono- and bi-exponential approaches after acquiring diffusion-weighted images on a 3T MRI system. The raw data is analyzed using Matlab program, FMRIB software and SPSS statistical application. Bi-exponential fits yield parameters for the fast and the slow diffusion components and the fraction of them using high b-value analysis up to 3000 s/mm2. As a result of mono-exponential fitting, amygdala, hippocampus and normal appearing white matter show increased apparent diffusion, while the fraction of the slow diffusion component is decreased compared to the control group. These data demonstrate that the alteration in molecular environment of unilateral mesial temporal lobe epilepsy affects diffusion in both gray and white matter structures causing the shift between different water fractions.
