Functional Brain Imaging |
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Page 85
... venous blood flows back to the systemic circu- lation . Venous drainage of the cerebral hemispheres is provided by superficial and deep veins ( Fig . 2-98 ) . The superficial veins arise from the cortex and un- derlying white matter and ...
... venous blood flows back to the systemic circu- lation . Venous drainage of the cerebral hemispheres is provided by superficial and deep veins ( Fig . 2-98 ) . The superficial veins arise from the cortex and un- derlying white matter and ...
Page 242
... venous concentration of deoxyhemoglobin that enable the localization of function without exogenous con- trast agents . The effect of deoxyhemoglobin is also a local T2 * effect that is modulated by local blood volume . 11-14 As ...
... venous concentration of deoxyhemoglobin that enable the localization of function without exogenous con- trast agents . The effect of deoxyhemoglobin is also a local T2 * effect that is modulated by local blood volume . 11-14 As ...
Page 248
... venous branches 2.4 600 2.7 × 103 102 18.6 2.1 0.004 Large veins 6.0 40 1.1 × 103 2 × 102 15.2 1.7 0.002 Vena cava 12.5 1 1.2 × 102 4 × 102 3.4 1.3 0.003 Data from Schmid - Schonbein ( 2 ) . From Johnson P : Peripheral circulation , New ...
... venous branches 2.4 600 2.7 × 103 102 18.6 2.1 0.004 Large veins 6.0 40 1.1 × 103 2 × 102 15.2 1.7 0.002 Vena cava 12.5 1 1.2 × 102 4 × 102 3.4 1.3 0.003 Data from Schmid - Schonbein ( 2 ) . From Johnson P : Peripheral circulation , New ...
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