Sub-millimeter fMRI at 1.5 Tesla: Correlation of high resolution with low resolution measurements

Journal of Magnetic Resonance Imaging

Volumn 9, Issue 3, 1999, Pages 475-482

  Hoogenraad, Frank G C ^a   Hofman, Mark B M ^a   Pouwels, Petra J W ^a   Reichenbach, Jürgen R ^b   Rombouts, Serge A R B ^a   Haacke, E Mark ^c  

^a VU UNIVERSITY MEDICAL CENTER   (Netherlands)

^b FRIEDRICH SCHILLER UNIVERSITY JENA   (Germany)

^c WASHINGTON UNIVERSITY SCHOOL OF MEDICINE   (United States)

Author keywords

Filtering; fMRI; High resolution; MRI; Venography; Visual cortex

Indexed keywords

ADULT; ARTICLE; BRAIN BLOOD FLOW; BRAIN MAPPING; BRAIN SCINTISCANNING; HUMAN; HUMAN EXPERIMENT; IMAGE ANALYSIS; IMAGE PROCESSING; NORMAL HUMAN; NUCLEAR MAGNETIC RESONANCE IMAGING; PRIORITY JOURNAL; SIGNAL NOISE RATIO; VISUAL CORTEX;

ADULT; ARTIFACTS; BRAIN MAPPING; FALSE POSITIVE REACTIONS; HUMANS; IMAGE ENHANCEMENT; MAGNETIC RESONANCE IMAGING; PHLEBOGRAPHY; REFERENCE VALUES; SENSITIVITY AND SPECIFICITY; VISUAL CORTEX;

EID: 0032904282     PISSN: 10531807     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1522-2586(199903)9:3<475::AID-JMRI17>3.0.CO;2-Y     Document Type: Article

References (28)

1. Bandettini PA, Wong EC, Hinks RS, Tikofsky RS, Hyde JS. Time course EPI of human brain function during task activation. Magn Reson Med 1992;25:390-397.
2. Frahm J, Bruhn H, Merboldt KD, Hänicke W. Dynamic MR imaging of human brain oxygenation during rest and photic stimulation. J Magn Reson Imaging 1992;2:501-505.
3. Ogawa S, Lee TM, Nayak AS, Glynn P. Oxygenation-sensitive contrast in magnetic resonance image of rodent brain at high magnetic fields. Magn Reson Med 1990;14:68-78.
4. Ogawa S, Lee TM, Kay AR, Tank DW. Brain magnetic resonance imaging with contrast dependent on blood oxygenation. Proc Natl Acad Sci USA 1990;87:9868-9872.
5. Frahm J, Merboldt KD, Hänicke W. Functional MRI of human brain activation at high spatial resolution. Magn Reson Med 1993;29:139-144.
6. Kleinschmidt A, Nitschke MF, Frahm J. Somatotopy in the human motor cortex hand area - a high-resolution functional MRI study. Eur J Neurosci 1997;9:2178-2186.
7. Merboldt KD, Krüger G, Hänicke W, Kleinschmidt A, Frahm J. Functional MRI of human brain activation combining high spatial and temporal resolution by a CINE FLASH technique. Magn Reson Med 1995;34:639-644.
8. Nitschke MF, Kleinschmidt A, Wessel K, Frahm J. Somatotopic motor representation in the human anterior cerebellum. A high-resolution functional MRI study. Brain 1996;119:1023-1029.
9. Bucher SF, Seelos KC, Stehling M, Oertel WH, Paulus W, Reiser M. High-resolution activation mapping of basal ganglia with functional magnetic resonance imaging. Neurology 1995;45:180-182.
10. Haacke EM, Hopkins A, Lai S, et al 2D and 3D high resolution gradient echo functional imaging of the brain: venous contributions to signal in motor cortex studies. NMR Biomed 1994;7:54-62.
11. Haacke EM, Lai S, Yablonskiy DA, Lin WL. In vivo validation of the BOLD mechanism - a review of signal changes in gradient echo functional MRI in the presence of flow. Int J Imaging Syst Technol 1995;6:153-163.
12. Lai S. Hopkins AL, Haacke EM, et al. Identification of vascular structures as a major source of signal contrast in high resolution 2D and 3D functional activation imaging of the motor cortex at 1.5T: preliminary results. Magn Reson Med 1993;30:387-392.
13. Haacke EM, Lai S, Reichenbach JR, et al. In vivo measurement of blood oxygen saturation using magnetic resonance imaging - a direct validation of the blood oxygen level-dependent concept in functional brain imaging. Hum Brain Mapp 1997;5:341-346.
14. Hoogenraad FGC, Reichenbach JR, Haacke EM, Lai S, Kuppusamy K, Sprenger M. In vivo measurement of changes in venous blood-oxygenation with high resolution functional MRI at 0.95 tesla by measuring changes in susceptibility and velocity. Magn Reson Med 1998;39:97-107.
15. Reichenbach JR, Venkatesan R, Schillinger DJ, Kido DK, Haacke EM. Small vessels in the human brain: MR venography with deoxyhemoglobin as an intrinsic contrast agent. Radiology 1997; 204:272-277.
16. Frahm J, Merboldt KD, Hänicke W, Kleinschmidt A, Boecker H. Brain or vein - oxygenation or flow? On signal physiology in functional MRI of human brain activation. NMR Biomed 1994;7:45-53.
17. Kim SG, Hendrich K, Hu X, Merkle H, Ugurbil K. Potential pitfalls of functional MRI using conventional gradient-recalled echo techniques. NMR Biomed 1994;7:69-74.
18. Bandettini PA, Kwong KK, Davis TL, et al. Characterization of cerebral blood oxygenation and flow changes during prolonged brain activation. Hum Brain Mapp 1997;5:93-109.
19. Bandettini PA, Jesmanowicz A, Wong EC, Hyde JS. Processing strategies for time-course data sets in functional MRI of the human brain. Magn Reson Med 1993;30:161-173.
20. Forman SD, Cohen JD, Fitzgerald M, Eddy WF, Mintun MA, Noll DC. Improved assessment of significant activation in functional magnetic resonance imaging (fMRI): use of a cluster-size threshold. Magn Reson Med 1995;33:636-647.
21. Friston KJ, Worsley KJ, Frackowiak RS, Mazziotta JC, Evans A. Assessing the significance of focal activations using their spatial extent. Hum Brain Mapp 1994;1:210-220.
22. Cox RW. AFNI: software for analysis and visualization of functional magnetic resonance neuroimages. Comput Biomed Res 1996;29: 162-173.
23. Woods RP, Cherry SR, Mazziotta JC. Rapid automated algorithm for aligning and reslicing PET images. J Comput Assist Tomogr 1992; 16:620-633.
24. Henkelman RM. Measurement of signal intensities in the presence of noise in MR images. Med Phys 1985;12:232-233.
25. Rombouts SARB, Barkhof F, Hoogenraad FGC, Sprenger M, Valk J, Scheltens P. Test-retest analysis with functional MR of the activated area in the human visual cortex. Am J Neuroradiol 1997;18:1317-1322.
26. Rombouts SARB, Barkhof F, Hoogenraad FGC, Sprenger M, Scheltens P. Within-subject reproducibility of visual activation patterns with functional magnetic resonance imaging using multislice echo planar imaging. Magn Reson Imaging 1998;16:105-113.
27. Boxerman JL, Hamberg LM, Rosen BR, Weisskoff RM. MR contrast due to intravascular magnetic susceptibility perturbations. Magn Reson Med 1995;34:555-566.
28. Gao JH, Miller I, Lai S, Xiong J, Fox PT. Quantitative assessment of blood inflow effects in functional MRI signals. Magn Reson Med 1996;36:314-319.