Functional Brain Imaging |
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Page 355
... msec 21 msec A G · • B D 29 msec E 29 msec E F G F C + G 10 30 50 10 30 50 Milliseconds 10 30 50 10 30 50 Milliseconds are apparent in 25 % to 35 % of patients without clinical signs.49,50 It is noteworthy that SEPs appear to be more ...
... msec 21 msec A G · • B D 29 msec E 29 msec E F G F C + G 10 30 50 10 30 50 Milliseconds 10 30 50 10 30 50 Milliseconds are apparent in 25 % to 35 % of patients without clinical signs.49,50 It is noteworthy that SEPs appear to be more ...
Page 356
... msec P150 P30 P80 N22 N40 N100 N200 240 msec 1.0 uV N40 LONG LATENCY AUDITORY EVOKED POTENTIALS 10 10 uV by applying a brief ( less than 10 msec ) square wave voltage to a calibrated earphone . The click has a broad power spectrum ...
... msec P150 P30 P80 N22 N40 N100 N200 240 msec 1.0 uV N40 LONG LATENCY AUDITORY EVOKED POTENTIALS 10 10 uV by applying a brief ( less than 10 msec ) square wave voltage to a calibrated earphone . The click has a broad power spectrum ...
Page 447
... msec . ( From Sauter R , Schneider M , Wicklow K et al : Current status of clinically relevant techniques in ... msec . A 270 msec TE produces a lactate doublet that is refocused but no longer inverted . Editing . Fortunately , many ...
... msec . ( From Sauter R , Schneider M , Wicklow K et al : Current status of clinically relevant techniques in ... msec . A 270 msec TE produces a lactate doublet that is refocused but no longer inverted . Editing . Fortunately , many ...
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