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Baxter P. Rogers
Vanderbilt University
100Publications
26H-index
2,915Citations
Publications 100
Newest
Published in Magnetic Resonance Imaging2.11
John C. Gore106
Estimated H-index: 106
,
Muwei Li1
Estimated H-index: 1
(Vandy: Vanderbilt University)
+ -3 AuthorsLi Min Chen20
Estimated H-index: 20
(Vandy: Vanderbilt University)
Abstract Functional MRI (fMRI) signals are robustly detectable in white matter (WM) but they have been largely ignored in the fMRI literature. Their nature, interpretation, and relevance as potential indicators of brain function remain under explored and even controversial. Blood oxygenation level dependent (BOLD) contrast has for over 25 years been exploited for detecting localized neural activity in the cortex using fMRI. While BOLD signals have been reliably detected in grey matter (GM) in a ...
Published on May 1, 2019in Magnetic Resonance Imaging2.11
Prasanna Parvathaneni3
Estimated H-index: 3
,
Ilwoo Lyu5
Estimated H-index: 5
+ 8 AuthorsAdam W. Anderson (Vandy: Vanderbilt University)
Abstract Neuroimaging often involves acquiring high-resolution anatomical images along with other low-resolution image modalities, like diffusion and functional magnetic resonance imaging. Performing gray matter statistics with low-resolution image modalities is a challenge due to registration artifacts and partial volume effects. Gray matter surface based spatial statistics (GS-BSS) has been shown to provide higher sensitivity using gray matter surfaces compared to that of skeletonization appro...
Published on Jan 1, 2019in Schizophrenia Research4.57
Anna S. Huang1
Estimated H-index: 1
(VUMC: Vanderbilt University Medical Center),
Baxter P. Rogers26
Estimated H-index: 26
(Vandy: Vanderbilt University),
Neil D. Woodward25
Estimated H-index: 25
(VUMC: Vanderbilt University Medical Center)
Abstract Despite considerable evidence showing thalamus anatomy and connectivity abnormalities in schizophrenia, how these abnormalities are reflected in thalamus function during cognition is relatively understudied. Modulation of thalamic connectivity with the prefrontal cortex (PFC) is required for higher-order cognitive processes, which are often impaired in schizophrenia. To address this gap, we investigated how thalamus function and thalamus-PFC connectivity under different levels of cognit...
Published on Jan 1, 2019in Biological Psychiatry11.50
Julia M. Sheffield9
Estimated H-index: 9
(Vandy: Vanderbilt University),
Baxter P. Rogers26
Estimated H-index: 26
(Vandy: Vanderbilt University)
+ 2 AuthorsNeil D. Woodward25
Estimated H-index: 25
(Vandy: Vanderbilt University)
Abstract Background Across networks, connectivity within the frontoparietal network (FPN) and cingulo-opercular network (CON) exhibits reductions earliest during healthy aging, contributing to cognitive impairment. Individuals with psychotic disorders demonstrate evidence of accelerated aging across multiple biological systems. By leveraging a large sample of patients with psychosis from early to chronic illness stages, this study sought to determine whether the CON and FPN exhibit evidence of a...
Published on Jun 11, 2019in Neuropsychopharmacology7.16
Anna S. Huang1
Estimated H-index: 1
(VUMC: Vanderbilt University Medical Center),
Baxter P. Rogers26
Estimated H-index: 26
(Vandy: Vanderbilt University)
+ 3 AuthorsNeil D. Woodward25
Estimated H-index: 25
(VUMC: Vanderbilt University Medical Center)
Working memory (WM) is impaired in psychotic disorders and linked to functional outcome. Most neurobiological models emphasize prefrontal cortex (PFC) dysfunction in the etiology of WM impairment. However, WM is composed of multiple processes, including encoding and maintenance, and the delineation of the neurobiology of these sub-processes has not been well characterized in schizophrenia and psychotic bipolar disorder. Functional MRI was obtained during an event-related spatial delayed match-to...
Nicole R. Karcher6
Estimated H-index: 6
(WashU: Washington University in St. Louis),
Baxter P. Rogers26
Estimated H-index: 26
(Vandy: Vanderbilt University),
Neil D. Woodward25
Estimated H-index: 25
(VUMC: Vanderbilt University Medical Center)
Abstract Background The striatum is abnormal in schizophrenia, and possibly represents a common neurobiological mechanism underlying psychotic disorders. Resting-state fMRI (RS-fMRI) studies have not reached a consensus regarding striatal dysconnectivity in schizophrenia, although these studies generally find impaired fronto-parietal and salience network connectivity. The goal of the current study was to clarify the pattern of cortico-striatal connectivity, including whether cortico-striatal dys...
Published on May 30, 2019in bioRxiv
Roza G. Bayrak1
Estimated H-index: 1
(Vandy: Vanderbilt University),
Kurt G. Schilling7
Estimated H-index: 7
(Vandy: Vanderbilt University)
+ 8 AuthorsBaxter P. Rogers26
Estimated H-index: 26
(Vandy: Vanderbilt University)
Reproducible identification of white matter tracts across subjects is essential for the study of structural connectivity of the human brain. One of the key challenges is anatomical differences between subjects. Labeling white matter regions of interest presents many challenges due to the need to integrate both local and global information. Clearly communicating the human/manual processes to capture this information is cumbersome, and the state-of-the-art for white matter atlas is the population-...
Published on May 7, 2019in bioRxiv
Michelle D. Failla2
Estimated H-index: 2
(VUMC: Vanderbilt University Medical Center),
Lauren K. Bryant (VUMC: Vanderbilt University Medical Center)+ 7 AuthorsCarissa J. Cascio21
Estimated H-index: 21
(VUMC: Vanderbilt University Medical Center)
Abstract Background Interoception involves the processing of sensory information relevant to physiological functioning and is integral to building self-awareness, emotional states, and modulating social behaviors. With the role of interoception in emotional processing and social functioning, there is growing interest in characterizing interoception in autism spectrum disorder (ASD), yet, there are mixed results regarding cardiac interoceptive accuracy in ASD. Methods In this study, we explored t...
Published on May 1, 2019in Magnetic Resonance Imaging2.11
Kurt G. Schilling7
Estimated H-index: 7
,
Justin A. Blaber3
Estimated H-index: 3
+ 9 AuthorsBaxter P. Rogers26
Estimated H-index: 26
Abstract Diffusion magnetic resonance images typically suffer from spatial distortions due to susceptibility induced off-resonance fields, which may affect the geometric fidelity of the reconstructed volume and cause mismatches with anatomical images. State-of-the art susceptibility correction (for example, FSL's TOPUP algorithm) typically requires data acquired twice with reverse phase encoding directions, referred to as blip-up blip-down acquisitions, in order to estimate an undistorted volume...
Published on May 1, 2019in Biological Psychiatry11.50
Julia M. Sheffield9
Estimated H-index: 9
,
Baxter P. Rogers26
Estimated H-index: 26
+ 2 AuthorsNeil D. Woodward25
Estimated H-index: 25
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