fMRI: Spatial and Temporal Characteristics

11:00         24.        Compartmental Balloon and BOLD Model - not available

Kamil Uludag^1,2, Richard B. Buxton²

¹Max-Planck-Institute for Biological Cybernetics, Tuebingen, Baden Württemberg, Germany; ²University of California San Diego, La Jolla, California, USA

11:12         25.        Difference in Temporal Dynamics of Positive and Negative BOLD Responses - not available

Justin Lawrence Gardner^1,2, Pei Sun, ^2,3, R. Allen Waggoner³, Kenichi Ueno³, Keiji Tanaka³, Kang Cheng³

¹New York University, New York, New York, USA; ²Japan Society for the Promotion of Science, Japan; ³RIKEN Brain Science Institute, Wakoshi, Saitama, Japan

11:24         26.        Interplay Between Oxygenation Use and Delivery in Graded Stimulation

Yi-Ching Lynn Ho^1,2, Ivan Zimine¹, Esben Thade Petersen^1,2, Xavier Golay^1,2

¹National Neuroscience Institute, Singapore, Singapore; ²Nanyang Technological University, Singapore, Singapore

11:36         27.        Spatial Characteristics of VASO fMRI at Ultra-High Resolution

Hanzhang Lu¹, Manus J. Donahue^2,3, Craig K. Jones^2,3, Peter C. van Zijl^2,3

¹New York University, New York, New York, USA; ²Johns Hopkins University, Baltimore, Maryland, USA; ³Kennedy Krieger Institute, Baltimore, Maryland, USA

11:48         28.        CBF, BOLD and CBV Hemodynamic Coupling at 500-Ms Temporal Resolution

Hongxia Ren¹, Qiang Shen¹, Timothy Q. Duong¹

¹Emory University, Atlanta, Georgia, USA

12:00         29.        Mapping Cat Visual Orientation Columns Using CBV-Weighted FMRI  - not available

Fuqiang Zhao¹, Ping Wang¹, Kristy Hendrich¹, Seong-Gi Kim¹

¹Brain Imaging Research Center, Pittsburgh, Pennsylvania, USA

12:12         30.        Nonlinear Hemodynamic Responses of CBV, CBF and BOLD Signals During Visual Stimulation

Hong Gu¹, Elliot A. Stein¹, Yihong Yang¹

¹National Institute on Drug Abuse, Baltimore, Maryland, USA

12:24         31.        Spatial Specificity of High Resolution Gradient Echo (GE) BOLD and Spin Echo (SE) BOLD fMRI in Cat Visual Cortex at 9.4 T. - not available

Jaekeun C. Park¹, Itamar Ronen^1,2, Dae-Shik Kim², Kamil Ugurbil¹

¹University of Minnesota Medical School, Minneapolis, Minnesota, USA; ²Boston University School of Medicine, Boston, Massachusetts, USA

12:36         32.        The Contribution of T₂* to Spin-Echo EPI: Implications for High-Field fMRI Studies

Shella D. Keilholz¹, Afonso C. Silva², Jeff Duyn², Alan P. Koretsky²

¹Emory University, Atlanta, Georgia, USA; ²National Institutes of Health, Bethesda, Maryland, USA

12:48         33.        Direct Detection of Axon Firing in the Optic Nerve and Visual Cortex Using MRI - not available

Li Sze Chow¹, Greg G. Cook¹, Elspeth H. Whitby¹, Martyn Paley¹

¹University of Sheffield, Sheffield, South Yorkshire, UK