Perfusion fMRI - Center for Functional MRI

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Continuous ASL tagging plane Tag duration ~ 2000 ms Pulsed ASL tagging region ~ 10 cm Tag duration ~ 15 ms Adapted from Wen-Ming Luh
Continuous ASL Imaging Plane Inversion Planes Blood Magnetization B 0 Tag Conventional Control Amplitude Modulated Control
Page 1 and 2: Perfusion fMRI Thomas Liu Center fo
Page 3 and 4: Cerebral Blood Flow (CBF) CBF = Per
Page 5 and 6: High CBF Low CBF Time
Page 7 and 8: Methods for Tagging Arterial Blood
Page 9: Arterial Spin Labeling (ASL) • wa
Page 13 and 14: Multislice CASL and PICORE CASL PIC
Page 16: Major Sources of Error for ASL •
Page 19 and 20: Arterial Bolus Width CASL Baseline
Page 22 and 23: Velocity Selective ASL •Velocity
Page 24 and 25: Ideal Velocity Selective ASL 1 Cont
Page 26 and 27: Initial Implementation (2002) 90 x
Page 28 and 29: Results - VENC Dependence VENC (cm/
Page 30 and 31: Future Development of VS-ASL • Be
Page 32 and 33: Pairwise subtraction example Contro
Page 34 and 35: ASL Data Processing • BOLD = aver
Page 36 and 37: Simultaneous Flow and BOLD with PAS
Page 38 and 39: Event-related ASL • ASL time seri
Page 40 and 41: Results Direct Running Subtraction
Page 42 and 43: Non-quantitative ASL • ASL signal
Page 44 and 45: Finger Tapping PICORE Turbo PICORE
Page 46 and 47: Amplifying Transit Delays Effects i
Page 48 and 49: Close Tag CASL Subject 1 Subject 2
Page 50 and 51: CBF and BOLD with Eyes Open/Closed
Page 52 and 53: ASL Mapping of Cortical Columns in
Page 54 and 55: Overview of BOLD Mechanisms Neurona
Page 56 and 57: Conclusions • ASL provides a non-

Perfusion fMRI - Center for Functional MRI

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