fMRI: Encoding, Resolution and Response

Hall 14.2/Oslo     16:30 - 18:30         Chairs: Tom Chih-Chuang Hu and Thomas T. Liu


Prog #

16:30 184.

Detection of Tuning and Discrimination of Visual Signal by Human Cortex

Y.B. Sirotin1, A. Kangarlu1, A. Das1

1Columbia University, New York, New York, USA

16:42 185.

Imaging Oxygenation, Blood Volume, and Blood Flow Changes in the Retina

Haiying Cheng1, Matthias Kohl-Bareis2, Liya Wang1, Govind Nair1, Tsukasa Nagaoka1, Timothy Q. Duong1

1Emory University, Atlanta, Georgia, USA; 2University of Applied Sciences Koblenz, Remagen, Germany

16:54 186.

Laminar Analysis of the BOLD Effect in Human Visual Cortex: Effect of Extracortical Veins

Peter Jan Koopmans1, Markus Barth1, David Gordon Norris1

1FC Donders Centre for Cognitive Neuroimaging, Nijmegen, Netherlands

17:06 187.

Deactivations in Primary Visual Area Which Correspond to Activations in Extrastriate Visual Areas Studied by fMRI

Lin Tang1, Malcolm J. Avison1, Randolph Blake2, John C. Gore1

1Vanderbilt University Institute of Imaging Science, Nashville, Tennessee, USA; 2Vanderbilt Vision Research Center, Nashville, Tennessee, USA

17:18 188.

Consistent Negative BOLD Responses in SI of Primate Cortex Produced by Tactile Stimulation

Na Zhang1, Limin Chen1, Tiffanie Markus2, Richard Baheza1, Anna Wang Roe3, Malcolm Avison, John C. Gore

1Vanderbilt University Institute of Imaging Science, Nashville, Tennessee, USA; 2Vanderbilt University Institute of Imaging Science, Tennessee, USA; 3Vanderbilt University, Nashville, Tennessee

17:30 189.

Changes in Perfusion Underlie Negative Bold Responses (NBR) in Epilepsy Patients with Generalised Spike Wave Activity

David William Carmichael1, Khalid Hamandi1, Helmut Laufs1, Ulrike Nöth1, John S. Duncan1, Louis Lemieux1

1UCL Institute of Neurology, London, UK

17:42 190.

Modulation of the Functional Cerebral Blood Flow Response by Reductions in Baseline Blood Flow

Joy Liau1, Joanna E. Perthen1, Richard B. Baxton1, Thomas T. Liu1

1UCSD Center for fMRI, La Jolla, California, USA

17:54 191.

Insights Into the Dynamics of Hemodynamic Response to Millisecond Stimulus Duration: A fMRI and

VEP Combination Study

Baris Yesilyurt1, Kevin Whittingstall1, Kamil Ugurbil1, 2, Kamil Uludag1

1Max Planck Inst. for Biological Cybernetics, Tübingen, Germany; 2Center for Magnetic Resonance Research, Minnesota, Minneapolis, USA

18:06 192.

Colour Coding in LGN and V1 Revealed by fMRI Pattern Classification

Laura Michelle Parkes1, David Oxley1, Jan-Bernard Marsman1, 2, Sophie Wuerger3

1University of Liverpool, Liverpool, UK; 2University of Groningen, Netherlands; 3University of Liverpool, UK

18:18 193.

High Resolution Functional MR Imaging of Material-Specific Encoding

Wendy K. Ringe1, Kaundinya Gopinath1, Sergey Cheshkov1, Subhendra Sarkar1, Richard Briggs1, Robert Haley1

1University of Texas Southwestern Medical Center, Dallas, Texas, USA