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Valur Olafsson
Valur Olafsson
Technical Director - NUBIC MRI Center, Northeastern University
Dirección de correo verificada de northeastern.edu
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The amplitude of the resting-state fMRI global signal is related to EEG vigilance measures
CW Wong, V Olafsson, O Tal, TT Liu
Neuroimage 83, 983-990, 2013
2882013
Mechanical failure modes of chronically implanted planar silicon-based neural probes for laminar recording
TDY Kozai, K Catt, X Li, ZV Gugel, VT Olafsson, AL Vazquez, XT Cui
Biomaterials 37, 25-39, 2015
2362015
Regularized field map estimation in MRI
AK Funai, JA Fessler, DTB Yeo, VT Olafsson, DC Noll
IEEE transactions on medical imaging 27 (10), 1484-1494, 2008
2032008
Toeplitz-based iterative image reconstruction for MRI with correction for magnetic field inhomogeneity
JA Fessler, S Lee, VT Olafsson, HR Shi, DC Noll
IEEE Transactions on Signal Processing 53 (9), 3393-3402, 2005
1952005
Anti-correlated networks, global signal regression, and the effects of caffeine in resting-state functional MRI
CW Wong, V Olafsson, O Tal, TT Liu
Neuroimage 63 (1), 356-364, 2012
1422012
Maturation of the human striatal dopamine system revealed by PET and quantitative MRI
B Larsen, V Olafsson, F Calabro, C Laymon, B Tervo-Clemmens, ...
Nature Communications 11 (1), 846, 2020
772020
Enhanced identification of BOLD-like components with multi-echo simultaneous multi-slice (MESMS) fMRI and multi-echo ICA
V Olafsson, P Kundu, EC Wong, PA Bandettini, TT Liu
Neuroimage 112, 43-51, 2015
752015
Fast Joint Reconstruction of Dynamicand Field Maps in Functional MRI
VT Olafsson, DC Noll, JA Fessler
IEEE transactions on medical imaging 27 (9), 1177-1188, 2008
692008
Resting-state fMRI activity predicts unsupervised learning and memory in an immersive virtual reality environment
CW Wong, V Olafsson, M Plank, J Snider, E Halgren, H Poizner, TT Liu
PloS one 9 (10), e109622, 2014
402014
Caffeine-induced global reductions in resting-state BOLD connectivity reflect widespread decreases in MEG connectivity
O Tal, M Diwakar, CW Wong, V Olafsson, R Lee, MX Huang, TT Liu
Frontiers in human neuroscience 7, 63, 2013
402013
Dopamine-related striatal neurophysiology is associated with specialization of frontostriatal reward circuitry through adolescence
AC Parr, F Calabro, B Larsen, B Tervo-Clemmens, S Elliot, W Foran, ...
Progress in Neurobiology 201, 101997, 2021
382021
Spectral‐spatial pulse design for through‐plane phase precompensatory slice selection in T‐weighted functional MRI
CY Yip, D Yoon, V Olafsson, S Lee, WA Grissom, JA Fessler, DC Noll
Magnetic Resonance in Medicine: An Official Journal of the International …, 2009
342009
Greater preference consistency during the Willingness-to-Pay task is related to higher resting state connectivity between the ventromedial prefrontal cortex and the ventral …
S Mackey, V Olafsson, RL Aupperle, K Lu, GA Fonzo, J Parnass, T Liu, ...
Brain imaging and behavior 10, 730-738, 2016
102016
Dynamic update of R2* and field map in fMRI
V Olafsson, JA Fessler, DC Noll
Proc. Intl. Soc. Mag. Res. Med, 45, 2004
102004
Fast Spatial Resolution Analysis of Quadratic Penalized Least-Squares Image Reconstruction with Separate Real and Imaginary Roughness Penalty: Application to fMRI
VT Olafsson, DC Noll, JA Fessler
IEEE Transactions on Medical Imaging, 2017
92017
Mindfulness-based real-time fMRI neurofeedback: a randomized controlled trial to optimize dosing for depressed adolescents
PA Bloom, D Pagliaccio, J Zhang, CCC Bauer, M Kyler, KD Greene, ...
BMC psychiatry 23 (1), 757, 2023
72023
Spatial resolution analysis of iterative image reconstruction with separate regularization of real and imaginary parts
V Olafsson, JA Fessler, DC Noll
3rd IEEE International Symposium on Biomedical Imaging: Nano to Macro, 2006 …, 2006
72006
High spatial and temporal resolution fcMRI with BOLD selectivity using multiecho simultaneous multislice EPI
V Olafsson, J Guo, CW Wong, P Kundu, S Inati, WM Luh, ...
Proceedings of the 20th ISMRM 2068, 2012
42012
New approach for estimating dR2* in fMRI
VT Olafsson, DC Noll, JA Fessler
ISMRM Ninth Scientific Meeting, 132, 2003
42003
Resting-state fMRI activity in the basal ganglia predicts unsupervised learning performance in a virtual reality environment
CW Wong, V Olafsson, M Plank, J Snider, E Halgren, H Poizner, T Liu
2013 6th International IEEE/EMBS Conference on Neural Engineering (NER …, 2013
32013
El sistema no puede realizar la operación en estos momentos. Inténtalo de nuevo más tarde.
Artículos 1–20