Functional Brain Imaging |
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Page 110
... contrast agents , like all commonly employed radiographic contrast agents , utilize substances with a high electron density to absorb x - rays and thus produce a " contrast " effect . These are typically iodinated agents and are given ...
... contrast agents , like all commonly employed radiographic contrast agents , utilize substances with a high electron density to absorb x - rays and thus produce a " contrast " effect . These are typically iodinated agents and are given ...
Page 163
... Contrast agents . A distinctive feature of MRI is the soft tissue contrast that can be produced through alterations to sequence timing parameters . X - ray CT has long used intraveneous contrast agents in order to increase its limited ...
... Contrast agents . A distinctive feature of MRI is the soft tissue contrast that can be produced through alterations to sequence timing parameters . X - ray CT has long used intraveneous contrast agents in order to increase its limited ...
Page 241
... contrast changes with blood oxygenation . Progress in both of these areas was heavily dependent on advances in imaging hardware and sequence design and on the production and characterization of MRI contrast agents that were safe and ...
... contrast changes with blood oxygenation . Progress in both of these areas was heavily dependent on advances in imaging hardware and sequence design and on the production and characterization of MRI contrast agents that were safe and ...
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