Functional Brain Imaging |
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Page 241
... contrast agents and of water in tissue . Investigators discovered that a first - pass transit curve can be fitted to the intensities of a series of images taken during contrast agent injection , allowing estimation of contrast ...
... contrast agents and of water in tissue . Investigators discovered that a first - pass transit curve can be fitted to the intensities of a series of images taken during contrast agent injection , allowing estimation of contrast ...
Page 274
... contrast agent concentra- tion . However , empirical data support the results from the medium exchange simulations , 107,116 indicat- ing that the relationship is closer to linear . The three models show more agreement ( as to a ...
... contrast agent concentra- tion . However , empirical data support the results from the medium exchange simulations , 107,116 indicat- ing that the relationship is closer to linear . The three models show more agreement ( as to a ...
Page 279
... agents . Assessment of BBB permeability . Paramagnetic relaxation agents have long been used for nonim- aging measurements of cellular permeability and water exchange times . 113,161,162 In normal brain the BBB prevents the contrast agent ...
... agents . Assessment of BBB permeability . Paramagnetic relaxation agents have long been used for nonim- aging measurements of cellular permeability and water exchange times . 113,161,162 In normal brain the BBB prevents the contrast agent ...
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