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Diffusion MRI in Epilepsy

Rajkumar Munian Govindan and Harry T. Chugani

in Neuroimaging in Epilepsy

Published in print:
2010
Published Online:
January 2011
ISBN:
9780195342765
eISBN:
9780199863617
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195342765.003.0006
Subject:
Neuroscience, Disorders of the Nervous System

Diffusion MRI facilitates the measurement of water diffusion in specific spatial directions and is highly sensitive to microstructural changes in neural tissue. This chapter provides an overview of ... More


A Systems Approach to the Aging Brain: Neuroanatomic Changes, Their Modifiers, and Cognitive Correlates

Naftali Raz and Kristen M. Kennedy

in Imaging the Aging Brain

Published in print:
2009
Published Online:
February 2010
ISBN:
9780195328875
eISBN:
9780199864836
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195328875.003.0004
Subject:
Neuroscience, Techniques, Development

Success in diagnosing and treating age-related brain disease depends on understanding normative and optimal aging of the brain. Neuroimaging studies of healthy adults reveal differential brain ... More


Mobility of Frenkel Excitons

Vladimir M. Agranovich

in Excitations in Organic Solids

Published in print:
2008
Published Online:
January 2009
ISBN:
9780199234417
eISBN:
9780191715426
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199234417.003.0014
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter discusses the different regimes of mobility of Frenkel excitons. The diffusion equation and diffusion-related quantities (diffusion coefficient/length, diffusion constant, exciton mean ... More


Multidimensional PGSE NMR

Paul T. Callaghan

in Translational Dynamics and Magnetic Resonance: Principles of Pulsed Gradient Spin Echo NMR

Published in print:
2011
Published Online:
December 2013
ISBN:
9780199556984
eISBN:
9780191774928
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199556984.003.0009
Subject:
Physics, Condensed Matter Physics / Materials, Nuclear and Plasma Physics

This chapter shows how both Fourier transformation and inverse Laplace transformation can be used in conjunction with pulsed gradient spin echo NMR, as a basis for a multidimensional ... More


Structural Abnormalities in Parkinson’s Disease: MRI and Related Methods

Kathrin Reetz and Ferdinand Binkofski

in Imaging in Parkinson’s Disease

Published in print:
2011
Published Online:
September 2011
ISBN:
9780195393484
eISBN:
9780199914494
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195393484.003.0027
Subject:
Neuroscience, Disorders of the Nervous System, Techniques

The traditional role of MRI in parkinsonism is to exclude secondary causes of symptoms. Recent advances in MR methodology, including voxel-based morphometry, diffusion imaging, and inversion recovery ... More


The Aging Brain Observed in Vivo: Differential Changes and Their Modifiers

Raz Naftali

in Cognitive Neuroscience of Aging: Linking cognitive and cerebral aging

Published in print:
2004
Published Online:
May 2009
ISBN:
9780195156744
eISBN:
9780199864171
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195156744.003.0002
Subject:
Neuroscience, Behavioral Neuroscience, Development

This chapter reviews cross-sectional and longitudinal approaches in MRI studies of aging. It also reviews a few recent studies using diffusion tensor and diffusion weighted imaging to investigate ... More


Age Differences in Structural Connectivity: Diffusion Tensor Imaging and White Matter Hyperintensities

David J. Madden and Emily L. Parks

in Cognitive Neuroscience of Aging: Linking Cognitive and Cerebral Aging

Published in print:
2016
Published Online:
December 2016
ISBN:
9780199372935
eISBN:
9780190662264
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199372935.003.0004
Subject:
Psychology, Cognitive Neuroscience

Age-related decline in cognitive abilities, particularly those relying on perceptual speed and executive function, are related to the connectivity of cerebral white matter. Diffusion tensor imaging ... More


Multimodal Imaging of the Aging Brain

Anders M. Fjell and Kristine B. Walhovd

in Cognitive Neuroscience of Aging: Linking Cognitive and Cerebral Aging

Published in print:
2016
Published Online:
December 2016
ISBN:
9780199372935
eISBN:
9780190662264
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199372935.003.0006
Subject:
Psychology, Cognitive Neuroscience

Multi-modal neuroimaging has grown in popularity in studies of the aging brain. Here we critically evaluate how brain aging can be investigated by multi-modal imaging, and give examples of recent ... More


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