Functional Brain Imaging |
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Page 98
... scan time , spatial resolution , contrast resolution , image artifacts , and radiation exposure . Historically , CT scan systems have been labeled according to " generation . " The first generation CT scanners were rotate , translate ...
... scan time , spatial resolution , contrast resolution , image artifacts , and radiation exposure . Historically , CT scan systems have been labeled according to " generation . " The first generation CT scanners were rotate , translate ...
Page 191
... scan allows a second , stimulated- state scan to be performed after a second bolus of H2150 is injected . A difference image is then made by subtracting the baseline scan from the stimulated - state scan . Activated portions of the ...
... scan allows a second , stimulated- state scan to be performed after a second bolus of H2150 is injected . A difference image is then made by subtracting the baseline scan from the stimulated - state scan . Activated portions of the ...
Page 204
... scan ( A ) takes up FDG strongly on a PET scan ( B ) after radiotherapy . C , The CT scan shows a more normal appearance . D , The corresponding PET - FDG scan shows increased FDG localization in the motor corticals because the patient ...
... scan ( A ) takes up FDG strongly on a PET scan ( B ) after radiotherapy . C , The CT scan shows a more normal appearance . D , The corresponding PET - FDG scan shows increased FDG localization in the motor corticals because the patient ...
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