Functional Brain Imaging |
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Page 265
... Injection site F ( ml ) ( Outlet ) Cout ( ) Concentration ( mg / liter ) 10 20 30- gb :) C + ( ml gb ) ( gb = grams of brain tissue ) Fig . 7-34 . A basic tissue mixing model for indicator dilution measurements . bolus injection , the ...
... Injection site F ( ml ) ( Outlet ) Cout ( ) Concentration ( mg / liter ) 10 20 30- gb :) C + ( ml gb ) ( gb = grams of brain tissue ) Fig . 7-34 . A basic tissue mixing model for indicator dilution measurements . bolus injection , the ...
Page 267
... injection bolus , where all of the injected indicator is delivered to the tissue in a time shorter than the shortest transit time through the tissue , the MTT corresponds to the time of the center - of - gravity ( first moment ) of the ...
... injection bolus , where all of the injected indicator is delivered to the tissue in a time shorter than the shortest transit time through the tissue , the MTT corresponds to the time of the center - of - gravity ( first moment ) of the ...
Page 271
... injection site will be unknown but may be considered to be in proportion to the fraction of the total flow at the indicator injection site , F , that actually supplies the tissue within the measurement voxel , F. In that case , equation ...
... injection site will be unknown but may be considered to be in proportion to the fraction of the total flow at the indicator injection site , F , that actually supplies the tissue within the measurement voxel , F. In that case , equation ...
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