Functional Brain Imaging |
From inside the book
Results 1-3 of 49
Page 255
Constant gradient sequence for measurement of diffusion . 90 ° 180 ° Echo 180 °
Echo nia causes greater blood flow with a constant oxygen consumption rate ,
producing a decrease in arteriovenous oxygen difference and therefore an ...
Constant gradient sequence for measurement of diffusion . 90 ° 180 ° Echo 180 °
Echo nia causes greater blood flow with a constant oxygen consumption rate ,
producing a decrease in arteriovenous oxygen difference and therefore an ...
Page 256
Diffusion coefficients ( x 10-5 mm / sec ) in vivo in the human brain and in vitro at
37 ° C Pulsed gradients ( Stejskal - Tanner ) b = y2G282 ( A - 8 / 3 ) G G In vitro (
free diffusion ) In vivo Water 2.97 8 2.94 CSF 0.78 ( gray matter ) 0.22 ( corpus ...
Diffusion coefficients ( x 10-5 mm / sec ) in vivo in the human brain and in vitro at
37 ° C Pulsed gradients ( Stejskal - Tanner ) b = y2G282 ( A - 8 / 3 ) G G In vitro (
free diffusion ) In vivo Water 2.97 8 2.94 CSF 0.78 ( gray matter ) 0.22 ( corpus ...
Page 257
Effects of restricted diffusion can be seen in liver ( B ) but not in water ( A ) .
Increasing values of k represents measurement by sequences with increasing
diffusion sensitivity . ( From Zhong J , Gore JC : Magn Reson Med 19 : 276 , 1991.
) ...
Effects of restricted diffusion can be seen in liver ( B ) but not in water ( A ) .
Increasing values of k represents measurement by sequences with increasing
diffusion sensitivity . ( From Zhong J , Gore JC : Magn Reson Med 19 : 276 , 1991.
) ...
What people are saying - Write a review
We haven't found any reviews in the usual places.
Contents
Introduction to Brain Imaging | 1 |
Computerized Axial Tomography | 97 |
Magnetic Resonance Imaging | 145 |
Copyright | |
6 other sections not shown
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