Functional Brain Imaging |
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Page 253
... levels may come into play only when tissue intravascular oxygen tension , pO2 , falls to very low levels and anaerobic metabolism becomes dominant . Another substance that may fit into this second category is adenosine . Decreases in ...
... levels may come into play only when tissue intravascular oxygen tension , pO2 , falls to very low levels and anaerobic metabolism becomes dominant . Another substance that may fit into this second category is adenosine . Decreases in ...
Page 445
... levels of choline observed with acute demy- elinating diseases , 70,71 Choline levels increase in most solid tumors , and solid high - grade gliomas generally have higher nor- malized choline values than solid low - grade tumors ...
... levels of choline observed with acute demy- elinating diseases , 70,71 Choline levels increase in most solid tumors , and solid high - grade gliomas generally have higher nor- malized choline values than solid low - grade tumors ...
Page 450
... levels can be monitored by proton MRS while the position of the P¡ peak indicates local pH levels . If intracellular and ex- tracellular compartments are at different shift loca- tions , membrane kinetics can be monitored . Enzyme ...
... levels can be monitored by proton MRS while the position of the P¡ peak indicates local pH levels . If intracellular and ex- tracellular compartments are at different shift loca- tions , membrane kinetics can be monitored . Enzyme ...
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