Publications by authors named "Valur Olafsson"

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Resting-State Functional Connectivity Change in Frontoparietal and Default Mode Networks After Acute Exercise in Youth.
Trevor L Cline, Francesca Morfini, Emma Tinney, Ethan Makarewycz, Katherine Lloyd, Valur Olafsson

Brain Plast· May 2024

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Mindfulness-based real-time fMRI neurofeedback: a randomized controlled trial to optimize dosing for depressed adolescents.
Paul A Bloom, David Pagliaccio, Jiahe Zhang, Clemens C C Bauer, Mia Kyler, Valur Olafsson

BMC Psychiatry· October 2023

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Dopamine-related striatal neurophysiology is associated with specialization of frontostriatal reward circuitry through adolescence.
Ashley C Parr, Finnegan Calabro, Bart Larsen, Brenden Tervo-Clemmens, Samuel Elliot, Valur Olafsson

Prog Neurobiol· June 2021

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Maturation of the human striatal dopamine system revealed by PET and quantitative MRI.
Bart Larsen, Valur Olafsson, Finnegan Calabro, Charles Laymon, Brenden Tervo-Clemmens

Nat Commun· February 2020

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Fast Spatial Resolution Analysis of Quadratic Penalized Least-Squares Image Reconstruction With Separate Real and Imaginary Roughness Penalty: Application to fMRI.
Valur T Olafsson, Douglas C Noll, Jeffrey A Fessler

IEEE Trans Med Imaging· February 2018

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Greater preference consistency during the Willingness-to-Pay task is related to higher resting state connectivity between the ventromedial prefrontal cortex and the ventral striatum.
Scott Mackey, Valur Olafsson, Robin L Aupperle, Kun Lu, Greg A Fonzo

Brain Imaging Behav· September 2016

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Resting-state fMRI activity predicts unsupervised learning and memory in an immersive virtual reality environment.
Chi Wah Wong, Valur Olafsson, Markus Plank, Joseph Snider, Eric Halgren

PLoS One· December 2015

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Enhanced identification of BOLD-like components with multi-echo simultaneous multi-slice (MESMS) fMRI and multi-echo ICA.
Valur Olafsson, Prantik Kundu, Eric C Wong, Peter A Bandettini, Thomas T Liu

Neuroimage· May 2015

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Mechanical failure modes of chronically implanted planar silicon-based neural probes for laminar recording.
Takashi D Y Kozai, Kasey Catt, Xia Li, Zhannetta V Gugel, Valur T Olafsson

Biomaterials· January 2015

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The amplitude of the resting-state fMRI global signal is related to EEG vigilance measures.
Chi Wah Wong, Valur Olafsson, Omer Tal, Thomas T Liu

Neuroimage· December 2013

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Caffeine-Induced Global Reductions in Resting-State BOLD Connectivity Reflect Widespread Decreases in MEG Connectivity.
Omer Tal, Mithun Diwakar, Chi-Wah Wong, Valur Olafsson, Roland Lee

Front Hum Neurosci· March 2013

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Anti-correlated networks, global signal regression, and the effects of caffeine in resting-state functional MRI.
Chi Wah Wong, Valur Olafsson, Omer Tal, Thomas T Liu

Neuroimage· October 2012

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Spectral-spatial pulse design for through-plane phase precompensatory slice selection in T2*-weighted functional MRI.
Chun-Yu Yip, Daehyun Yoon, Valur Olafsson, Sangwoo Lee, William A Grissom

Magn Reson Med· May 2009

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Regularized field map estimation in MRI.
Amanda K Funai, Jeffrey A Fessler, Desmond T B Yeo, Valur T Olafsson, Douglas C Noll

IEEE Trans Med Imaging· October 2008

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Fast joint reconstruction of dynamic R2* and field maps in functional MRI.
Valur T Olafsson, Douglas C Noll, Jeffrey A Fessler

IEEE Trans Med Imaging· September 2008

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