Functional Brain Imaging |
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Page 271
... Relative tissue volume measurements can be made if the tissues to be compared are both supplied with blood from the same injection flow , which is likely to be the case for repeated measurements ( i.e. , stimulated / nonstimu- lated ) ...
... Relative tissue volume measurements can be made if the tissues to be compared are both supplied with blood from the same injection flow , which is likely to be the case for repeated measurements ( i.e. , stimulated / nonstimu- lated ) ...
Page 276
... relative flow image . Relative CBV mea- surements , with respect to some imposed stress or change , can be made without determination of the proportionality constant , k2 , relating signal relaxation rate and concentration ...
... relative flow image . Relative CBV mea- surements , with respect to some imposed stress or change , can be made without determination of the proportionality constant , k2 , relating signal relaxation rate and concentration ...
Page 382
... relative conductivities of the shells is critical . However , as long as the boundaries are spherically concentric , the external magnetic field is insensitive to the relative conductivities . Therefore , the simpler , single - shell ...
... relative conductivities of the shells is critical . However , as long as the boundaries are spherically concentric , the external magnetic field is insensitive to the relative conductivities . Therefore , the simpler , single - shell ...
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