Functional Brain Imaging |
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Page 175
Movement of a spin in a magnetic field gradient results in the accumulation of a
phase shift relative to the phase of stationary spins . The amount of phase
accumulation depends on the direction and velocity of the spins relative to the
applied ...
Movement of a spin in a magnetic field gradient results in the accumulation of a
phase shift relative to the phase of stationary spins . The amount of phase
accumulation depends on the direction and velocity of the spins relative to the
applied ...
Page 430
NAA whman Whoren worm MUME WA NAMNAMAN NAA Moon 3.0 2.5 2.0 1.5
Chemical shift i pom Fig . 10-12 . Long echo times ( TEs ) lead to the loss of
signals from metabolites having short T2s . White matter spectra at A , 270 msec ,
and ...
NAA whman Whoren worm MUME WA NAMNAMAN NAA Moon 3.0 2.5 2.0 1.5
Chemical shift i pom Fig . 10-12 . Long echo times ( TEs ) lead to the loss of
signals from metabolites having short T2s . White matter spectra at A , 270 msec ,
and ...
Page 436
0.0 0.0 Signal ( 10.5 ) 0.4 M ECC 0.2 with her sur demana questions , who
Ahmen und Wand month , In another mothy no ECC 0.0 4.50 4.00 3.50 3.00 2.00
1.50 1.00 Chomical Shift ( ppm ) 2.50 PPM Fig . 10-20 . Correction for eddy
current ...
0.0 0.0 Signal ( 10.5 ) 0.4 M ECC 0.2 with her sur demana questions , who
Ahmen und Wand month , In another mothy no ECC 0.0 4.50 4.00 3.50 3.00 2.00
1.50 1.00 Chomical Shift ( ppm ) 2.50 PPM Fig . 10-20 . Correction for eddy
current ...
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Contents
Introduction to Brain Imaging | 1 |
Computerized Axial Tomography | 97 |
Magnetic Resonance Imaging | 145 |
Copyright | |
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Other editions - View all
Functional Brain Imaging William W. Orrison,Jeffrey Lewine,John Sanders,Michael F. Hartshorne Limited preview - 2017 |
Common terms and phrases
abnormal activity additional agents allow appearance applications arterial associated blood flow brain cause cells central cerebral changes clinical complex components computed concentration considered contrast cortex cortical decreased demonstrating depends detection diffusion direction disease echo effects emission et al evoked FMRI frequency functional glucose gradient human imaging important increased indicator injection intensity lateral less levels limited localization Magn Reson magnetic field mapping matter measured membrane methods motor nerve neurons normal Nucl nuclei object observed obtained occur oxygen particular patients pattern peak perfusion phase potential primary processing produce projections pulse recorded regions relative relaxation resolution response scan sensitivity sequences shift signal significant space spatial SPECT stimulation strength structure studies techniques temporal tion tissue tomography tumors typically visual volume York