Functional Brain Imaging |
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Page 426
... protons , so the applied field experienced by them is not shielded as much as the protons in fat . Thus , the proton signals from H2O and the methylene protons of fat will be at frequencies that are separated by approximately 3.5 ppm ...
... protons , so the applied field experienced by them is not shielded as much as the protons in fat . Thus , the proton signals from H2O and the methylene protons of fat will be at frequencies that are separated by approximately 3.5 ppm ...
Page 428
... proton interacts with a nearby proton , they are influenced by each other's field . The net effect of this interaction depends on whether the respective fields are oriented with or against the applied magnetic field direction . Consider ...
... proton interacts with a nearby proton , they are influenced by each other's field . The net effect of this interaction depends on whether the respective fields are oriented with or against the applied magnetic field direction . Consider ...
Page 465
... proton NMR spectroscopy , Magn Reson Med 9 : 126-131 , 1989 . 132. Duijn JH , Matson GB , Maudsley AA et al : Human brain infarction : proton MR spectroscopy , Radiology 183 : 711-718 , 1992 . 133. Luyten PR , van Ryen PC , Tulleken CAF ...
... proton NMR spectroscopy , Magn Reson Med 9 : 126-131 , 1989 . 132. Duijn JH , Matson GB , Maudsley AA et al : Human brain infarction : proton MR spectroscopy , Radiology 183 : 711-718 , 1992 . 133. Luyten PR , van Ryen PC , Tulleken CAF ...
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 |
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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