Search Results - "Stenger, V."

Improving temporal resolution in fMRI using a 3D spiral acquisition and low rank plus sparse (L+S) reconstruction by Petrov, Andrii Y., Herbst, Michael, Andrew Stenger, V.

“…Rapid whole-brain dynamic Magnetic Resonance Imaging (MRI) is of particular interest in Blood Oxygen Level Dependent (BOLD) functional MRI (fMRI). Faster…”
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Dissociating the Role of the Dorsolateral Prefrontal and Anterior Cingulate Cortex in Cognitive Control by MacDonald, Angus W., Cohen, Jonathan D., Stenger, V. Andrew, Carter, Cameron S.

“…Theories of the regulation of cognition suggest a system with two necessary components: one to implement control and another to monitor performance and signal…”
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Anterior Cingulate Conflict Monitoring and Adjustments in Control by Kerns, John G., Cohen, Jonathan D., MacDonald, Angus W., Cho, Raymond Y., Stenger, V. Andrew, Carter, Cameron S.

“…Conflict monitoring by the anterior cingulate cortex (ACC) has been posited to signal a need for greater cognitive control, producing neural and behavioral…”
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Three dimensional radial echo planar imaging for functional MRI by Rettenmeier, Christoph A., Maziero, Danilo, Stenger, V. Andrew

“…Purpose To demonstrate a novel 3D radial echo planar imaging (3D REPI) sequence for flexible, rapid, and motion‐robust sampling in fMRI. Methods The 3D REPI…”
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Radiofrequency phase encoded half‐pulses in simultaneous multislice ultrashort echo time imaging by Rettenmeier, Christoph, Stenger, V. Andrew

“…Purpose To describe a simultaneous multislice (SMS) ultrashort echo time (UTE) imaging method using radiofrequency phase encoded half‐pulses in combination…”
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Low peak power multiband spokes pulses for B1+ inhomogeneity-compensated simultaneous multislice excitation in high field MRI by Sharma, Anuj, Bammer, Roland, Stenger, V. Andrew, Grissom, William A

“…Purpose To design low peak and integrated power simultaneous multislice excitation radiofrequency pulses with transmit field inhomogeneity compensation in high…”
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Three-dimensional Fourier encoding of simultaneously excited slices: Generalized acquisition and reconstruction framework by Zahneisen, Benjamin, Poser, Benedikt A., Ernst, Thomas, Stenger, V. Andrew

“…Purpose Simultaneous multislice (SMS) acquisitions have recently received much attention as a means of increasing single‐shot imaging speed. SMS acquisitions…”
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A circular echo planar sequence for fast volumetric fMRI by Rettenmeier, Christoph, Maziero, Danilo, Qian, Yongxian, Stenger, V. Andrew

“…Purpose To demonstrate a circular EPI (CEPI) sequence as well as a generalized EPI reconstruction for fast fMRI with parallel imaging acceleration. Methods The…”
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Rotated stack-of-spirals partial acquisition for rapid volumetric parallel MRI by Deng, Weiran, Zahneisen, Benjamin, Stenger, V. Andrew

“…Purpose We present a volumetric sampling method that rotates the spiral interleaves of a stack of spirals (SOSP) trajectory for reduced aliasing artifacts…”
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Case-based radiological anatomy instruction using cadaveric MRI imaging and delivered with extended reality web technology by Nakamatsu, Nicole A., Aytaç, Güneş, Mikami, Brandi, Thompson, Jesse D., Davis, McKay, Rettenmeier, Christoph, Maziero, Danilo, Andrew Stenger, V., Labrash, Steven, Lenze, Stacy, Torigoe, Trevor, Lozanoff, Beth K., Kaya, Brock, Smith, Alice, Douglas Miles, J., Lee, U-Young, Lozanoff, Scott

“…•Modified donor and radiological information for each cadaver were used by most students (78%).•Cases were helpful (4.14 ± 1.1, 74.3%) in understanding of…”
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Segmented simultaneous multi‐slice diffusion weighted imaging with generalized trajectories by Herbst, Michael, Deng, Weiran, Ernst, Thomas, Stenger, V. Andrew

“…Purpose The purpose of this work is to develop and evaluate a single framework for the use of Cartesian and non‐Cartesian segmented trajectories for rapid and…”
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Simultaneous Multi-Slice fMRI using spiral trajectories by Zahneisen, Benjamin, Poser, Benedikt A., Ernst, Thomas, Stenger, Andrew V.

“…Parallel imaging methods using multi-coil receiver arrays have been shown to be effective for increasing MRI acquisition speed. However parallel imaging…”
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Anterior Cingulate Cortex Activity and Impaired Self-Monitoring of Performance in Patients With Schizophrenia: An Event-Related fMRI Study by Carter, Cameron S., MacDonald, Angus W., Ross, Laura L., Stenger, V. Andrew

“…OBJECTIVE: The authors examined brain activity associated with the internal monitoring of performance to test the hypothesis that error-related activity in the…”
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Spatial domain method for the design of RF pulses in multicoil parallel excitation by Grissom, William, Yip, Chun-yu, Zhang, Zhenghui, Stenger, V. Andrew, Fessler, Jeffrey A., Noll, Douglas C.

“…Parallel excitation has been introduced as a means of accelerating multidimensional, spatially‐selective excitation using multiple transmit coils, each driven…”
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Dissociation in Human Prefrontal Cortex of Affective Influences on Working Memory-Related Activity by Perlstein, William M., Elbert, Thomas, Stenger, V. Andrew

“…Although neural activity associated with emotion is becoming better understood, the influence of affective parameters on brain activity reflecting cognitive…”
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Highly accelerated EPI with wave encoding and multi‐shot simultaneous multislice imaging by Cho, Jaejin, Liao, Congyu, Tian, Qiyuan, Zhang, Zijing, Xu, Jinmin, Lo, Wei‐Ching, Poser, Benedikt A., Stenger, V. Andrew, Stockmann, Jason, Setsompop, Kawin, Bilgic, Berkin

“…Purpose To introduce wave‐encoded acquisition and reconstruction techniques for highly accelerated EPI with reduced g‐factor penalty and image artifacts…”
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The Role of Prefrontal Cortex and Posterior Parietal Cortex in Task Switching by Sohn, Myeong-Ho, Ursu, Stefan, Anderson, John R., Stenger, V. Andrew, Carter, Cameron S.

“…Human ability to switch from one cognitive task to another involves both endogenous preparation without an external stimulus and exogenous adjustment in…”
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Simultaneous multislice excitation by parallel transmission by Poser, Benedikt A., Anderson, Robert James, Guérin, Bastien, Setsompop, Kawin, Deng, Weiran, Mareyam, Azma, Serano, Peter, Wald, Lawrence L., Stenger, V. Andrew

“…Purpose A technique is described for simultaneous multislice (SMS) excitation using radiofrequency (RF) parallel transmission (pTX). Methods Spatially distinct…”
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Dorsal striatum responses to reward and punishment: Effects of valence and magnitude manipulations by DELGADO, M. R, LOCKE, H. M, STENGER, V. A, FIEZ, J. A

“…The goal of this research was to further our understanding of how the striatum responds to the delivery of affective feedback. Previously, we had found that…”
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Decreased Conflict- and Error-Related Activity in the Anterior Cingulate Cortex in Subjects With Schizophrenia by Kerns, John G., Cohen, Jonathan D., MacDonald, Angus W., Johnson, Melissa K., Stenger, V. Andrew, Aizenstein, Howard, Carter, Cameron S.

“…OBJECTIVE: People with schizophrenia have exhibited reduced functional activity in the anterior cingulate cortex during the performance of many types of…”
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