Functional Brain Imaging |
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Page 138
... intensity in the periventricular white matter posteriorly in this patient with adrenoleukodystrophy . Fig . 3-54 . Axial proton density - weighted MR ( TR 2500 , TE 22 ) demonstrating markedly abnormal increased signal intensity in the ...
... intensity in the periventricular white matter posteriorly in this patient with adrenoleukodystrophy . Fig . 3-54 . Axial proton density - weighted MR ( TR 2500 , TE 22 ) demonstrating markedly abnormal increased signal intensity in the ...
Page 141
... intensity of T2- weighted images in the CNS white matter . " 47 Toxic conditions may result in severe white matter changes . Radiation effects may be seen as focal or diffuse abnormal increased signal intensities on inter- mediate and ...
... intensity of T2- weighted images in the CNS white matter . " 47 Toxic conditions may result in severe white matter changes . Radiation effects may be seen as focal or diffuse abnormal increased signal intensities on inter- mediate and ...
Page 158
... intensity , the perceived brightness of an object depends on the intensity of the surroundings . Two objects with different surround- ings could have identical intensities ( or luminances ) but different brightnesses , as shown in Fig ...
... intensity , the perceived brightness of an object depends on the intensity of the surroundings . Two objects with different surround- ings could have identical intensities ( or luminances ) but different brightnesses , as shown in Fig ...
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