fMRI: Physiologic Changes

Room A 201-202        10:30 - 12:30                                                   Chairs: Jens Frahm and Peter Jezzard

10:30       179.      Extended Analysis of Functional Connectivity Using Low Frequency BOLD Fluctuations (LFBF)

Jochen G. Hirsch1, Christina Rossmanith2, Mark J. Lowe3, Achim Gass1,2

1University Hospital Basel, Basel, Switzerland; 2University Hospital Mannheim, Mannheim, Germany; 3The Cleveland Clinic Foundation, Cleveland, Ohio, USA

10:42       180.      Brain Functional Connectivity During Sleep

Silvina G. Horovitz1, Masaki Fukunaga1, Jacco A. de Zwart1, Peter van Gelderen1, Susan O'Flahavan1, Jeff H. Duyn1

1National Institutes of Health, Bethesda, Maryland, USA

10:54       181.      Changes in Functional Connectivity with Increasing Concentrations of Sevoflurane Anesthesia - not available

Scott J. Peltier1, Chantal Kerssens2, Stephan B. Hamann3, Peter S. Sebel2, Michael Byas-Smith2, Xiaoping Hu1

1Emory University/Georgia Tech, Atlanta, Georgia, USA; 2Emory University School of Medicine, Atlanta, Georgia, USA; 3Emory University, Atlanta, Georgia, USA

11:06       182.      Mapping Autoregulatory Capacity Through Manipulation of PCO2 with BOLD MRI - A Reproducibility Study

Andrea Kassner1, Julien Poublanc2, David Mikulis2, Adrian Crawley2

1University of Toronto (UHN), Toronto, Ontario, Canada; 2The Toronto Western Hospital of the UHN, Toronto, Ontario, Canada

11:18       183.      Reducing CBF Variability with Control of End-Tidal Carbon Dioxide

Ashley D. Harris1,2, Kojiro Ide1, Marc J. Poulin1, Richard Frayne1

1University of Calgary, Calgary, Alberta, Canada; 2Foothills Medical Centre, Calgary Health Region, Calgary, Alberta, Canada

11:30       184.      Combined Sequence for Simultaneous Measurement of BOLD Contrast and Perfusion Changes Caused by Hyperoxia - not available

Ulrike Fasol1, Olaf Dietrich1, Michael Peller1, Jürgen Weber1, Maximilian Reiser1

1Ludwig Maximilians University, Munich, Germany

11:42       185.      A Study of Post-Stimulus Undershoot in the Visual Cortex During Mild Hypoxia Using Bold and Vascular Space Occupancy fMRI - not available

Pasi Tuunanen1,2, Rishma Vidyasagar3, Risto Kauppinen3

1FLS, Kuopio, Finland; 2A.I.V, Kuopio, Finland; 3Manchester University, Manchester, UK

11:54       186.      BOLD and CBF Sensitivites to Variable Intensity Neuronal Stimulation - not available

Peter Anthony Chiarelli1, Daniel Peter Bulte1, Richard Wise1, Peter Jezzard1

1Oxford Centre for Functional Magnetic Resonance Imaging of the Brain, Oxford, Oxfordshire, UK

12:06       187.      Limits on Activation Induced Temperature and Metabolic Changes in the Human Primary Visual Cortex

Rachel Katz-Brull1, David C. Alsop1, Robert P. Marquis1, Robert E. Lenkinski1

1Beth Israel Deaconess Medical Center & Harvard Medical School, Boston, Massachusetts, USA

12:18       188.      Simultaneous fMRI/EEG in Idiopathic Generalized Epilepsy (IGE) - not available

Regula S. Briellmann1, Anthony B. Waites1, Angelo Labate1, David F. Abbott1, Paolo Federico1, A. Simon Harvey1,

Jan Barchett2, Graeme D. Jackson1,3

1Brain Research Institute, Melbourne, Victoria, Australia; 2Austin Health, Melbourne, Victoria, Australia; 3The University of Melbourne, Melbourne, Victoria, Australia