Measurement of Brain Activation

Room B 118-122      16:00 - 18:00                                          Chairs: Jeff F. Dunn and Xavier G. Golay

16:00      492.    Noninvasive Quantification of Cerebral Blood Volume in Humans During Functional Activation

Hong Gu1, Hanzhang Lu2, Frank Q. Ye3, Elliot A. Stein1, Yihong Yang1

1National Institute on Drug Abuse, Baltimore, Maryland, USA; 2New York University, New York, New York, USA; 3National Institute of Mental Health, Bethesda, Maryland, USA

16:12      493.    Partial Volume Effects in VASO-fMRI

Ivan Zimine1, Esben Thade Petersen1,2, Yi-Ching Lynn Ho1,2, Xavier Golay1,2

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

16:24      494.    Implementation of a Double Inversion-Recovery Sequence with an Echo-Planar Imaging Readout: Application to Functional Magnetic Resonance Imaging

Simon J. P. Meara1, Philip A. Boulby2, Gareth J. Barker1

1Institute of Psychiatry, London, UK; 2Institute of Neurology, London, UK

16:36      495.    Complex Constant Phase Activation Model Removes Venous BOLD Contribution in fMRI

Andrew Scott Nencka1, Daniel B. Rowe1

1Medical College of Wisconsin, Milwaukee, Wisconsin, USA

16:48      496.    BOLD Signal Phase and Magnitude Dependence on Vessel Geometry

L. Martyn Klassen1,2, Ravi S. Menon1,2

1Robarts Research Institute, London, Ontario, Canada; 2University of Western Ontario, London, Ontario, Canada

17:00      497.    Simultaneous fMRI and Event-Related Near Infrared Tomography for Studying Hemodynamic and Neuronal Responses in Human Visual Cortex

Xiaofeng Zhang1, Vladislav Toronov1, Andrew Webb1

1University of Illinois at Urbana-Champaign, Urbana, Illinois, USA

17:12      498.    A Combination NIR/MRI Imaging Modality for Neurological Studies 
Heng Xu1, Hamid Dehghani1, Brian W. Pogue1, Roger Springett1, Harold M. Swartz1, Jeff F. Dunn2

1Dartmouth College, Hanover, New Hampshire, USA; 2University of Calgary, Calgary, Alberta, Canada

17:24      499.    Concurrent Time-Resolved Near-Infrared Spectroscopy and fMRI Measurements of Visually Stimulated Humans  - not available

Rüdiger Brühl1, Andreas Kummrow1, Michael Möller1, Heidrun Wabnitz1, Adam Liebert1, Bernd Ittermann1,

Frank Seifert1, Herbert Rinneberg1

1Physikalisch-Technische Bundesanstalt, Berlin, Germany

17:36      500.    Measurement of Activation-Induced Changes of Cerebral Blood Flow Using Concurrent Arterial Spin Labelling and Laser Doppler Flowmetry  - not available

Jiabao He1, Nicola Hewson-Stoate1, Jason Berwick1, John Martindale1, David Johnstone1, John Mayhew1,

Nikos Papadakis1

1University of Sheffield, Sheffield, UK

17:48      501.    Mapping Changes in Spin-Echo BOLD and CBF in the Conscious Rat  - not available

Karl F. Schmidt1, Rostislav Lemdiasov2, Wei Chen1, Aghogho Obi2, Mathew Brevard1, Marcelo Febo1, Feng Luo1,

Jean King1, Timothy Q. Duong3, Craig Ferris1

1University of Massachusetts Medical School, Worcester, Massachusetts, USA; 2Worcester Polytechnic Institute, Worcester, Massachusetts, USA; 3Emory University, Atlanta, Georgia, USA