Functional Brain Imaging |
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Page 436
... peaks and improved peak profiles . avoid broadening the spectral peaks that result from computing a magnitude spectrum . The magnitude operation will always broaden the peaks unless the complete echo signal is obtained , 27 which rarely ...
... peaks and improved peak profiles . avoid broadening the spectral peaks that result from computing a magnitude spectrum . The magnitude operation will always broaden the peaks unless the complete echo signal is obtained , 27 which rarely ...
Page 437
... peak ratios . In adults , metabolite peak signals do not decrease monoexpo- nentially with increasing TE.36 Longitudinal relaxation rates of the main peaks in the spectrum are not very different from each other , 36,37 so relative peak ...
... peak ratios . In adults , metabolite peak signals do not decrease monoexpo- nentially with increasing TE.36 Longitudinal relaxation rates of the main peaks in the spectrum are not very different from each other , 36,37 so relative peak ...
Page 450
... peak at -7.6 ppm , the beta peak at -16.3 ppm , and the gamma resonance at -2.6 ppm . Addi- tional visible peaks are from phosphomonoesters ( PMEs ) at 6.8 ppm , phosphodiesters ( PDEs ) at 2.9 ppm , diphosphodiesters ( DPDEs ) at -8.1 ...
... peak at -7.6 ppm , the beta peak at -16.3 ppm , and the gamma resonance at -2.6 ppm . Addi- tional visible peaks are from phosphomonoesters ( PMEs ) at 6.8 ppm , phosphodiesters ( PDEs ) at 2.9 ppm , diphosphodiesters ( DPDEs ) at -8.1 ...
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