Functional Brain Imaging |
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Page 247
... vessel size and construction . Figure is not drawn to scale because of the huge range in sizes between the aorta and the capillary vessels . ( From Berne RM : Physiology , St Louis , 1983 , Mosby . ) Table 7-2 . Physical characteristics ...
... vessel size and construction . Figure is not drawn to scale because of the huge range in sizes between the aorta and the capillary vessels . ( From Berne RM : Physiology , St Louis , 1983 , Mosby . ) Table 7-2 . Physical characteristics ...
Page 289
... vessels rather than increasing vessel size . ( From Weisskoff R et al : Functional MRI of the brain : a workshop , SMRM and SMRI , June 1993 , p . 103. ) until the blood has transited the capillary bed and the ( relatively ) oxygenated ...
... vessels rather than increasing vessel size . ( From Weisskoff R et al : Functional MRI of the brain : a workshop , SMRM and SMRI , June 1993 , p . 103. ) until the blood has transited the capillary bed and the ( relatively ) oxygenated ...
Page 294
... vessels for GRE sequences . They conclude that at 1.5 to 2.0 T and at short echo times , the 5 % changes reported likely correspond to larger vessels . Lai et al211 used high - resolution MR angiography to identify veins as the source ...
... vessels for GRE sequences . They conclude that at 1.5 to 2.0 T and at short echo times , the 5 % changes reported likely correspond to larger vessels . Lai et al211 used high - resolution MR angiography to identify veins as the source ...
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