Search Results - "Noll, Douglas C"
-
1
Stochastic optimization of three-dimensional non-Cartesian sampling trajectory
Published in Magnetic resonance in medicine (01-08-2023)“…Optimizing three-dimensional (3D) k-space sampling trajectories is important for efficient MRI yet presents a challenging computational problem. This work…”
Get full text
Journal Article -
2
A retrospective physiological noise correction method for oscillating steady‐state imaging
Published in Magnetic resonance in medicine (01-02-2021)“…Purpose Oscillating steady‐state imaging (OSSI) is an SNR‐efficient steady‐state sequence with T2∗ sensitivity suitable for FMRI. Due to the frequency…”
Get full text
Journal Article -
3
What is a representative brain? Neuroscience meets population science
Published in Proceedings of the National Academy of Sciences - PNAS (29-10-2013)“…The last decades of neuroscience research have produced immense progress in the methods available to understand brain structure and function. Social,…”
Get full text
Journal Article -
4
Spatial domain method for the design of RF pulses in multicoil parallel excitation
Published in Magnetic resonance in medicine (01-09-2006)“…Parallel excitation has been introduced as a means of accelerating multidimensional, spatially‐selective excitation using multiple transmit coils, each driven…”
Get full text
Journal Article -
5
B0 field inhomogeneity considerations in pseudo-continuous arterial spin labeling (pCASL): effects on tagging efficiency and correction strategy
Published in NMR in biomedicine (01-12-2011)“…Pseudo‐continuous arterial spin labeling (pCASL) is a very powerful technique to measure cerebral perfusion, which circumvents the problems affecting other…”
Get full text
Journal Article -
6
Frontal and Limbic Activation During Inhibitory Control Predicts Treatment Response in Major Depressive Disorder
Published in Biological psychiatry (1969) (01-12-2007)“…Background Inhibitory control or regulatory difficulties have been explored in major depressive disorder (MDD) but typically in the context of affectively…”
Get full text
Journal Article -
7
Monitoring attentional state with fNIRS
Published in Frontiers in human neuroscience (13-12-2013)“…The ability to distinguish between high and low levels of task engagement in the real world is important for detecting and preventing performance decrements…”
Get full text
Journal Article -
8
Fast-kz three-dimensional tailored radiofrequency pulse for reduced B1 inhomogeneity
Published in Magnetic resonance in medicine (01-04-2006)“…This article presents a small‐flip‐angle, three‐dimensional tailored RF pulse that excites thin slices with an adjustable quadratic in‐plane spatial variation…”
Get full text
Journal Article -
9
Relation of Prefrontal Cortex Dysfunction to Working Memory and Symptoms in Schizophrenia
Published in The American journal of psychiatry (01-07-2001)“…OBJECTIVE: The dorsolateral prefrontal cortex has been implicated in both working memory and the pathophysiology of schizophrenia. A relationship among…”
Get full text
Journal Article -
10
An approach for computer-aided detection of brain metastases in post-Gd T1-W MRI
Published in Magnetic resonance imaging (01-07-2012)“…Abstract Purpose To develop an approach for computer-aided detection (CAD) of small brain metastases in post-Gd T1-weighted magnetic resonance imaging (MRI)…”
Get full text
Journal Article -
11
Simulated MRI Artifacts: Testing Machine Learning Failure Modes
Published in BME frontiers (01-01-2022)“… Seven types of MRI artifacts, including acquisition and preprocessing errors, were simulated to test a machine learning brain tumor segmentation model for…”
Get full text
Journal Article -
12
Accounting for nonlinear BOLD effects in fMRI: parameter estimates and a model for prediction in rapid event-related studies
Published in NeuroImage (Orlando, Fla.) (01-03-2005)“…Nonlinear effects in fMRI BOLD data may substantially influence estimates of task-related activations, particularly in rapid event-related designs. If the BOLD…”
Get full text
Journal Article -
13
Oscillating steady‐state imaging (OSSI): A novel method for functional MRI
Published in Magnetic resonance in medicine (01-08-2020)“…Purpose Signal‐to‐noise ratio (SNR) is crucial for high‐resolution fMRI; however, current methods for SNR improvement are limited. A new approach, called…”
Get full text
Journal Article -
14
B-Spline Parameterized Joint Optimization of Reconstruction and K-Space Trajectories (BJORK) for Accelerated 2D MRI
Published in IEEE transactions on medical imaging (01-09-2022)“…Optimizing k-space sampling trajectories is a promising yet challenging topic for fast magnetic resonance imaging (MRI). This work proposes to optimize a…”
Get full text
Journal Article -
15
Manifold Regularizer for High-Resolution fMRI Joint Reconstruction and Dynamic Quantification
Published in IEEE transactions on medical imaging (01-08-2024)“…Oscillating Steady-State Imaging (OSSI) is a recently developed fMRI acquisition method that can provide 2 to 3 times higher SNR than standard fMRI approaches…”
Get full text
Journal Article -
16
Model-based reconstruction for looping-star MRI
Published in Magnetic resonance in medicine (01-05-2024)“…The aim of this study was to develop a reconstruction method that more fully models the signals and reconstructs gradient echo (GRE) images without sacrificing…”
Get full text
Journal Article -
17
Temporal dynamics of brain activation during a working memory task
Published in Nature (London) (10-04-1997)“…Working memory is responsible for the short-term storage and online manipulation of information necessary for higher cognitive functions, such as language,…”
Get full text
Journal Article -
18
Working Memory for Letters, Shapes, and Locations: fMRI Evidence against Stimulus-Based Regional Organization in Human Prefrontal Cortex
Published in NeuroImage (Orlando, Fla.) (01-05-2000)“…Investigations of working memory (WM) systems in the frontal cortex have revealed two stimulus dimensions along which frontal cortical representations may be…”
Get full text
Journal Article -
19
Activation of the medial prefrontal cortex and extended amygdala by individual ratings of emotional arousal: a fMRI study
Published in Biological psychiatry (1969) (01-02-2003)“…Significant differences between individual responses to emotional stimuli can be important for the study of emotion. We investigated whether incorporating…”
Get full text
Journal Article -
20
Dynamic field map estimation using a spiral-in/spiral-out acquisition
Published in Magnetic resonance in medicine (01-06-2004)“…The long readout times of single‐shot acquisitions and the high field strengths desired for functional MRI (fMRI) using blood oxygenation level‐dependent…”
Get full text
Journal Article