Functional Brain Imaging |
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Page 131
... considered a group of disorders in which there is an absence of normal myelin formation , a delay of myelin formation , or a distur- bance in myelin maintenance . Although dysmyelinat- ing diseases are generally considered conditions in ...
... considered a group of disorders in which there is an absence of normal myelin formation , a delay of myelin formation , or a distur- bance in myelin maintenance . Although dysmyelinat- ing diseases are generally considered conditions in ...
Page 257
... considered . The models that have been proposed to explain the observed reduction in tissue diffusion coefficient , as compared to the free diffusion coefficient , focus on two general mechanisms.70 The tissue water may diffuse at the ...
... considered . The models that have been proposed to explain the observed reduction in tissue diffusion coefficient , as compared to the free diffusion coefficient , focus on two general mechanisms.70 The tissue water may diffuse at the ...
Page 258
... considered to be another tissue microstructural parameter mea- surable by MRI.75,81 Perfusion Measurement There are three general approaches taken toward the measurement of tissue perfusion with MRI . The first approach uses long ...
... considered to be another tissue microstructural parameter mea- surable by MRI.75,81 Perfusion Measurement There are three general approaches taken toward the measurement of tissue perfusion with MRI . The first approach uses long ...
Contents
Introduction to Brain Imaging | 1 |
Computerized Axial Tomography | 97 |
Magnetic Resonance Imaging | 145 |
Copyright | |
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Functional Brain Imaging William W. Orrison,Jeffrey Lewine,John Sanders,Michael F. Hartshorne Limited preview - 2017 |
Common terms and phrases
abnormal activity ALFMA arterial auditory Axial axon basal ganglia brain capillary cells central central sulcus cerebral blood flow chemical shift clinical coil computed computed tomography contrast agent cortex cortical decreased demonstrating detection diffusion dipole disease effects encoding epilepsy extracellular field strength FMRI focal frequency functional Gd-DTPA glucose gradient HMPAO infarction inhomogeneous injection lesions Magn Reson magnetic field magnetic resonance imaging mapping measured membrane metabolism methods motor msec neoplasms nerve nervous system neural neuromagnetic neurons normal Nucl nuclei oxygen paramagnetic patients pattern peak perfusion phase positron emission tomography posterior processing projections proton pulse Radon transform rCBF receptors relaxation scan seizures sensitivity sequences signal changes signal intensity slice SMRM Annual Meeting somatosensory spatial SPECT spectra spikes spin echo stimulation studies T2-weighted techniques temporal lobe thalamus tion tissue tumors uptake visual voxel white matter