Curriculum vitae: James
J. Pekar
Current Appointments
Associate Professor, Department
of Radiology 1/02-
(Assistant Professor 1/99-12/01)
Johns Hopkins University
School of Medicine, Baltimore, MD
Manager and Research Coordinator
1/99-
F.M. Kirby Research Center
for Functional Brain Imaging
Kennedy Krieger Institute
and Johns Hopkins University, Baltimore, MD
Education and Training
Ph.D. Biophysics
12/88
University of Pennsylvania,
Philadelphia, PA
Thesis: "Multiple-Quantum
NMR Studies of 23-Na in Model and Biological Systems"
B.S. Physics
6/81
Massachusetts Institute
of Technology, Cambridge MA
Thesis: "Proton-Neutron
Transition Differences in Inelastic Proton Scattering from 18-O"
Professional Experience
National Research Council Associate,
In Vivo NMR Research Center 88-91
National Institutes of
Health, Bethesda, MD
Senior Staff Fellow, Physical
Chemistry Section 91-92
National Institute on
Alcohol Abuse and Alcoholism, Bethesda, MD
Senior Staff Fellow, Laboratory
of Diagnostic Radiology Research 92-95
National Institutes of
Health, Bethesda, Maryland
Assistant Professor, Department
of Neurology 95-98
Georgetown University
Medical Center, Washington, D.C.
Director, Neurobiological Magnetic
Resonance Laboratory 95-98
Institute for Cognitive
and Computational Sciences
Georgetown University
Medical Center, Washington, D.C
Selected Peer-Reviewed Scientific
Articles (of more than 30)
- J. Pekar and J.S. Leigh,
Jr. "Detection of Biexponential Relaxation in Sodium-23 Facilitated
by Double-Quantum Filtering," Journal of Magnetic Resonance 69:582-584 (1986).
- R. Turner, D. Le Bihan,
J. Maier, R. Vavrek, L.K. Hedges, and J. Pekar. "Echo-Planar Imaging
of Intra-Voxel Incoherent Motion," Radiology 177:407-414 (1990).
- P.C.M. van Zijl, C.T.W.
Moonen, P. Faustino, J. Pekar, O. Kaplan, and J.S. Cohen. "Complete
Separation of Intracellular and Extracellular Information in NMR Spectra
of Perfused Cells by Diffusion-Weighted Spectroscopy," Proceedings of the
National Academy of Sciences (USA) 88:3228-3233 (1991).
- P. Douek, R. Turner, J.
Pekar, N. Patronas, and D. Le Bihan. "MR Color Mapping of Myelin Fiber
Orientation," Journal of Computer Assisted Tomography 15:923-929 (1991).
- J. Pekar, L. Ligeti, Z.
Ruttner, R.C. Lyon, T.M. Sinnwell, P. van Gelderen, D. Fiat, C.T.W. Moonen,
and A.C. McLaughlin. "In Vivo Measurement of Cerebral Oxygen Consumption
and Blood Flow Using 17O Magnetic Resonance Imaging," Magnetic Resonance
in Medicine 21:313-319 (1991).
- J. Pekar, L. Ligeti, T.M.
Sinnwell, C.T.W. Moonen, J.A. Frank, and A.C. McLaughlin. "19F NMR Imaging
of Cerebral Blood Flow with 0.4 cc Resolution," Journal of Cerebral Blood
Flow and Metabolism 14:656-663 (1994).
- J. Pekar, T.M. Sinnwell,
L. Ligeti, A.S. Chesnick, J.A. Frank, and A.C. McLaughlin. "Simultaneous
Measurement of Cerebral Oxygen Consumption and Blood Flow Using 17O and 19F
Magnetic Resonance Imaging," Journal of Cerebral Blood Flow and Metabolism
15:312-320, (1995).
- J. Pekar, P. Jezzard,
D. A. Roberts, J.S. Leigh, Jr., J.A. Frank, and A.C. McLaughlin. "Perfusion
Imaging with Magnetization Transfer Frequency Offset Compensation," Magnetic
Resonance in Medicine 35:70-79 (1996).
- V.S. Mattay, J.A. Frank,
A.K.S. Santha, J. Pekar, J.H. Duyn, A.C. McLaughlin, and D.R. Weinberger.
"Whole Brain Functional Mapping with MRI." Radiology 201:399-404 (1996)
- C.M. Wessinger, J. VanMeter,
B. Tian, J. Van Lare, J. Pekar, and J.P. Rauschecker. "Hierarchical Organization
of Human Auditory Cortex Revealed by Functional Magnetic Resonance Imaging."
Journal of Cognitive Neuroscience 13:1-7 (2001).
- V.D. Calhoun, T. Adali,
G.D. Pearlson, and J.J. Pekar. "Spatial and Temporal Independent Component
Analysis of Functional MRI Data Containing a Pair of Task-Related Waveforms."
Human Brain Mapping 13:43-53 (2001).
- Rämä, J.B. Sala,
J.S. Gillen, J.J. Pekar, and S.M. Courtney. "Dissociation of the Neural
Systems for Working Memory Maintenance of Verbal and Nonspatial Visual Information."
Perceptual, Behavioral, and Affective Neuroscience. 1:161-171 (2001).
- V.D. Calhoun, T. Adali,
G.D. Pearlson, and J.J. Pekar. "A Method for Making Group Inferences
from Functional MRI Data Using Independent Component Analysis." Human Brain
Mapping. 14:140-151 (2001).
- V.D. Calhoun, T. Adali,
G.D. Pearlson, P.C.M. van Zijl, & J.J. Pekar. "Independent Component
Analysis of fMRI Data in the Complex Domain." Magnetic Resonance in
Medicine 48:180-192 (2002).
- V.D. Calhoun, J.J. Pekar,
V.B. McGinty, T. Adali, T.D. Watson, & G.D. Pearlson. "Different
Activation Dynamics in Multiple Neural Systems During Simulated Driving."
Human Brain Mapping 16:158-167 (2002).
Current Research Support
Functional and Physiological
Imaging Core (J.J. Pekar, P.I.)
Administrative Core (J.J.
Pekar, co-P.I.)
of NIH: 1 P41 RR15241-01
(P. van Zijl, P.I.)
"Resource for Quantitative
Functional MRI"
Period: September 30,
2001 through September 30, 2006
NIH: M01 RR0052-39S7. (M. Cataldo,
P.I.)
"Johns Hopkins University
School of Medicine General Clinical Research Center: Neurobehavioral Research
Unit"
Period: December 1, 2001
through November 30, 2003
NIH: 1 RO1 MH61625-01A2 (S.
Courtney, P.I.)
" Specialization and Integration
in Human Working Memory "
Period: December 1, 2001
through November 30, 2005
NIH: 1 RO1 DA13165 (S.
Yantis, P.I.)
"Brain Mechanisms of Attentional
Control Revealed by fMRI"
Period: April 1, 2000
through March 31, 2005