Functional Brain Imaging |
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Page 110
... produced secondary to the alterations these agents produce in the local magnetic environment . The contrast is not directly observed , but their magnetic effect on nearby hydrogen nuclei enables the enhancement to occur . These ...
... produced secondary to the alterations these agents produce in the local magnetic environment . The contrast is not directly observed , but their magnetic effect on nearby hydrogen nuclei enables the enhancement to occur . These ...
Page 150
... produced is proportional to the amount of moving charge so high currents are needed to produce large field strengths . To avoid the energy use and heat generated by pushing so many charges through the resistance of normal wires , the ...
... produced is proportional to the amount of moving charge so high currents are needed to produce large field strengths . To avoid the energy use and heat generated by pushing so many charges through the resistance of normal wires , the ...
Page 197
... produces pancor- tical hypometabolism.134 The dementia produced by the AIDS virus may produce a pattern very similar to that of progressive supranuclear palsy with hy- pometabolic areas in white matter and subcortical gray matter . The ...
... produces pancor- tical hypometabolism.134 The dementia produced by the AIDS virus may produce a pattern very similar to that of progressive supranuclear palsy with hy- pometabolic areas in white matter and subcortical gray matter . The ...
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