James J. Pekar

Publication Activity (10 Years)

Years Active: 2001-2022
Publications (10 Years): 8

Top Topics

Granger Causality

Empirical Bayes

Top Venues

J. Cogn. Neurosci.

Central Eur. J. Oper. Res.

Publications

Josef Jablonský, Michal Cerný, James J. Pekar
The last dozen of years of OR research in Czechia and Slovakia. Central Eur. J. Oper. Res. 30 (2) (2022)
Heather Shappell, Kelly A. Duffy, Keri Rosch, James J. Pekar, Stewart H. Mostofsky, Martin A. Lindquist, Jessica R. Cohen
Children with attention-deficit/hyperactivity disorder spend more time in hyperconnected network states and less time in segregated network states as revealed by dynamic connectivity analysis. NeuroImage 229 (2021)
Heather Shappell, Brian S. Caffo, James J. Pekar, Martin A. Lindquist
Improved state change estimation in dynamic functional connectivity using hidden semi-Markov models. NeuroImage 191 (2019)
Hamed Honari, Ann S. Choe, James J. Pekar, Martin A. Lindquist
Investigating the impact of autocorrelation on time-varying connectivity. NeuroImage 197 (2019)
Amanda F. Mejia, Mary Beth Nebel, Anita D. Barber, Ann S. Choe, James J. Pekar, Brian S. Caffo, Martin A. Lindquist
Improved estimation of subject-level functional connectivity using full and partial correlation with empirical Bayes shrinkage. NeuroImage 172 (2018)
Ying Cheng, Qin Qin, Peter C. M. van Zijl, James J. Pekar, Jun Hua
A three-dimensional single-scan approach for the measurement of changes in cerebral blood volume, blood flow, and blood oxygenation-weighted signals during functional stimulation. NeuroImage 147 (2017)
Ann S. Choe, Mary Beth Nebel, Anita D. Barber, Jessica R. Cohen, Yuting Xu, James J. Pekar, Brian Caffo, Martin A. Lindquist
Comparing test-retest reliability of dynamic functional connectivity methods. NeuroImage 158 (2017)
Shruti Agarwal, Haris I. Sair, Raag Airan, Jun Hua, Craig K. Jones, Hye-Young Heo, Alessandro Olivi, Martin A. Lindquist, James J. Pekar, Jay J. Pillai
Demonstration of Brain Tumor-Induced Neurovascular Uncoupling in Resting-State fMRI at Ultrahigh Field. Brain Connect. 6 (4) (2016)
Feng Xu, Peiying Liu, James J. Pekar, Hanzhang Lu
Does acute caffeine ingestion alter brain metabolism in young adults? NeuroImage 110 (2015)
Amanda F. Mejia, Mary Beth Nebel, Haochang Shou, Ciprian M. Crainiceanu, James J. Pekar, Stewart H. Mostofsky, Brian Caffo, Martin A. Lindquist
Improving reliability of subject-level resting-state fMRI parcellation with shrinkage estimators. NeuroImage 112 (2015)
Ying Cheng, Peter C. M. van Zijl, James J. Pekar, Jun Hua
Three-dimensional acquisition of cerebral blood volume and flow responses during functional stimulation in a single scan. NeuroImage 103 (2014)
John Muschelli, Mary Beth Nebel, Brian S. Caffo, Anita D. Barber, James J. Pekar, Stewart H. Mostofsky
Reduction of motion-related artifacts in resting state fMRI using aCompCor. NeuroImage 96 (2014)
Haochang Shou, Ani Eloyan, Mary Beth Nebel, Amanda F. Mejia, James J. Pekar, Stewart H. Mostofsky, Brian S. Caffo, Martin A. Lindquist, Ciprian M. Crainiceanu
Shrinkage prediction of seed-voxel brain connectivity using resting state fMRI. NeuroImage 102 (2014)
Anita D. Barber, Brian S. Caffo, James J. Pekar, Stewart H. Mostofsky
Effects of Working Memory Demand on Neural Mechanisms of Motor Response Selection and Control. J. Cogn. Neurosci. 25 (8) (2013)
Laurie E. Cutting, Amy Clements-Stephens, Kenneth R. Pugh, Scott Burns, Aize Cao, James J. Pekar, Nicole Davis, Sheryl L. Rimrodt
Not All Reading Disabilities Are Dyslexia: Distinct Neurobiology of Specific Comprehension Deficits. Brain Connect. 3 (2) (2013)
Andreia Faria, Suresh Joel, Yajing Zhang, Kenichi Oishi, Peter C. M. van Zijl, Michael I. Miller, James J. Pekar, Susumu Mori
Atlas-based analysis of resting-state functional connectivity: Evaluation for reproducibility and multi-modal anatomy-function correlation studies. NeuroImage 61 (3) (2012)
Bennett A. Landman, Alan J. Huang, Aliya Gifford, Deepti S. Vikram, Issel Anne L. Lim, Jonathan A. D. Farrell, John A. Bogovic, Jun Hua, Min Chen, Samson Jarso, Seth A. Smith, Suresh Joel, Susumu Mori, James J. Pekar, Peter B. Barker, Jerry L. Prince, Peter C. M. van Zijl
Multi-parametric neuroimaging reproducibility: A 3-T resource study. NeuroImage 54 (4) (2011)
Brian S. Caffo, Ciprian M. Crainiceanu, Guillermo Verduzco, Suresh Joel, Stewart H. Mostofsky, Susan Spear Bassett, James J. Pekar
Two-stage decompositions for the analysis of functional connectivity for fMRI with application to Alzheimer's disease risk. NeuroImage 51 (3) (2010)
Weiming Zeng, Anqi Qiu, BettyAnn Chodkowski, James J. Pekar
Spatial and temporal reproducibility-based ranking of the independent components of BOLD fMRI data. NeuroImage 46 (4) (2009)
Michelle M. Mielke, N. A. Kozauer, K. C. G. Chan, M. George, J. Toroney, M. Zerrate, K. Bandeen-Roche, M.-C. Wang, P. vanZijl, James J. Pekar, Susumu Mori, C. G. Lyketsos, Marilyn S. Albert
Regionally-specific diffusion tensor imaging in mild cognitive impairment and Alzheimer's disease. NeuroImage 46 (1) (2009)
Stacy J. Suskauer, Daniel J. Simmonds, Sunaina Fotedar, Joanna G. Blankner, James J. Pekar, Martha B. Denckla, Stewart H. Mostofsky
Functional Magnetic Resonance Imaging Evidence for Abnormalities in Response Selection in Attention Deficit Hyperactivity Disorder: Differences in Activation Associated with Response Inhibition but Not Habitual Motor Response. J. Cogn. Neurosci. 20 (3) (2008)
Kegang Hua, Jiangyang Zhang, Setsu Wakana, Hangyi Jiang, Xin Li, Daniel S. Reich, Peter A. Calabresi, James J. Pekar, Peter C. M. van Zijl, Susumu Mori
Tract probability maps in stereotaxic spaces: Analyses of white matter anatomy and tract-specific quantification. NeuroImage 39 (1) (2008)
Laurie E. Cutting, Amy Clements-Stephens, Susan Courtney, Sheryl L. Rimrodt, Joanna Schafer, Jeanne Bisesi, James J. Pekar, Kenneth R. Pugh
Differential components of sentence comprehension: Beyond single word reading and memory. NeuroImage 29 (2) (2006)
Vince D. Calhoun, Tülay Adali, Michael C. Stevens, Kent A. Kiehl, James J. Pekar
Semi-blind ICA of fMRI: A method for utilizing hypothesis-derived time courses in a spatial ICA analysis. NeuroImage 25 (2) (2005)
Vince D. Calhoun, Tülay Adali, James J. Pekar, Godfrey D. Pearlson
Latency (in)sensitive ICA: Group independent component analysis of fMRI data in the temporal frequency domain. NeuroImage 20 (3) (2003)
Vince D. Calhoun, Tülay Adali, Godfrey D. Pearlson, James J. Pekar
On complex infomax applied to functional MRI data. ICASSP (2002)
Vince D. Calhoun, Tülay Adali, V. B. McGinty, James J. Pekar, T. D. Watson, Godfrey D. Pearlson
fMRI Activation in a Visual-Perception Task: Network of Areas Detected Using the General Linear Model and Independent Components Analysis. NeuroImage 14 (5) (2001)