Physiological noise in oxygenation-sensitive magnetic resonance imaging

Magnetic Resonance in Medicine

Volumn 46, Issue 4, 2001, Pages 631-637

  Krüger, Gunnar ^a,b   Glover, Gary H ^a  

^a STANFORD UNIVERSITY   (United States)

^b SIEMENS AG   (Germany)

Author keywords

Magnetic field strength; Neuroimaging; Physiological noise; SNR; Spiral scan

Indexed keywords

BIOMEDICAL SIGNAL PROCESSING; MAGNETIC RESONANCE IMAGING; METABOLISM; NEUROIMAGING; OXYGENATION; PHYSIOLOGY;

FUNCTIONAL INFORMATION; HEALTHY VOLUNTEERS; MAGNETIC FIELD STRENGTHS; NOISE COMPONENTS; NOISE MEASUREMENTS; PHYSIOLOGICAL NOISE; SIGNAL STRENGTHS; SPIRAL SCAN;

SIGNAL TO NOISE RATIO;

ADULT; ARTICLE; BRAIN METABOLISM; BRAIN OXYGEN CONSUMPTION; DIAGNOSTIC IMAGING; GRAY MATTER; HUMAN; HUMAN EXPERIMENT; IMAGE PROCESSING; MAGNETIC FIELD; NUCLEAR MAGNETIC RESONANCE IMAGING; SIGNAL NOISE RATIO; SIGNAL PROCESSING; WHITE MATTER; WHITE NOISE;

EID: 0034789167     PISSN: 07403194     EISSN: None     Source Type: Journal    
DOI: 10.1002/mrm.1240     Document Type: Article

References (22)

1. MR contrast due to microscopically heterogeneous magnetic susceptibility: Numerical simulations and applications to cerebral physiology
2. Functional brain mapping by blood oxygenation level-dependent contrast magnetic resonance imaging. A comparison of signal characteristics with a biophysical model
3. The sensitivity of the zeugmatographic experiment involving human samples
4. The intrinsic signal-to-noise ratio in NMR imaging
5. Functional mapping of the human visual cortex at 4 and 1.5 Tesla using deoxygenation contrast EPI
6. Experimental determination of the BOLD field strength dependence in vessels and tissue
7. Comparison of 3D BOLD functional MRI with spiral acquisition at 1.5 T and 4.0 T
8. Neuroimaging at 1.5 T and 3.0 T: Comparison of oxygenation-sensitive magnetic resonance imaging
9. Power spectrum analysis of functionally-weighted MR data: What's in the noise?
10. 2 and functional contrast to noise ratio
11. Functional connectivity in the motor cortex of resting human brain using echo-planar MRI
12. Motion artifacts in fMRI: Comparison of 2DFT with PR and spiral scan methods
13. BO-fluctuation-induced temporal variation in EPI image series due to the disturbance of the steady-state free precession
14. Integrated RF coil with stabilization for fMRI human cortex
15. Simple analytic spiral k-space algorithm
16. Simultaneous spatial and spectral selective excitation
17. SVD regularization algorithm for improved high-order shimming
18. Image-based method for retrospective correction of physiological motion effects in fMRI: RETROICOR
19. Fast spiral coronary artery imaging
20. Self-navigated spiral fMRI: Interleaved versus single-shot
21. NMR relaxation times in the human brain at 3.0 T
22. Comparison of the TE and field strength dependence of single shot image S/N and time series standard deviation in humans and phantoms