Search Results - "ALEXANDER, Andrew L"

Age effects and sex differences in human brain white matter of young to middle-aged adults: A DTI, NODDI, and q-space study by Kodiweera, Chandana, Alexander, Andrew L., Harezlak, Jaroslaw, McAllister, Thomas W., Wu, Yu-Chien

“…Microstructural changes in human brain white matter of young to middle-aged adults were studied using advanced diffusion Magnetic Resonance Imaging (dMRI)…”
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Test-retest of automated segmentation with different motion correction strategies: A comparison of prospective versus retrospective methods by Kecskemeti, Steven R., Alexander, Andrew L.

“…Test-retest of automated image segmentation algorithms (FSL FAST, FSL FIRST, and FREESURFER) are computed on magnetic resonance images from 12 unsedated…”
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Optimization of a free water elimination two-compartment model for diffusion tensor imaging by Hoy, Andrew R., Koay, Cheng Guan, Kecskemeti, Steven R., Alexander, Andrew L.

“…Diffusion tensor imaging is used to measure the diffusion of water in tissue. The diffusion properties carry information about the relative organization and…”
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Multisite functional connectivity MRI classification of autism: ABIDE results by Nielsen, Jared A, Zielinski, Brandon A, Fletcher, P Thomas, Alexander, Andrew L, Lange, Nicholas, Bigler, Erin D, Lainhart, Janet E, Anderson, Jeffrey S

“…Systematic differences in functional connectivity MRI metrics have been consistently observed in autism, with predominantly decreased cortico-cortical…”
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Microstructural white matter alterations in preclinical Alzheimer's disease detected using free water elimination diffusion tensor imaging by Hoy, Andrew R, Ly, Martina, Carlsson, Cynthia M, Okonkwo, Ozioma C, Zetterberg, Henrik, Blennow, Kaj, Sager, Mark A, Asthana, Sanjay, Johnson, Sterling C, Alexander, Andrew L, Bendlin, Barbara B

“…Brain changes associated with Alzheimer's disease (AD) begin decades before disease diagnosis. While β-amyloid plaques and neurofibrillary tangles are defining…”
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Cortical Microstructural Alterations in Mild Cognitive Impairment and Alzheimer’s Disease Dementia by Vogt, Nicholas M, Hunt, Jack F, Adluru, Nagesh, Dean, Douglas C, Johnson, Sterling C, Asthana, Sanjay, Yu, John-Paul J, Alexander, Andrew L, Bendlin, Barbara B

“…Abstract In Alzheimer’s disease (AD), neurodegenerative processes are ongoing for years prior to the time that cortical atrophy can be reliably detected using…”
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FreeSurfer based cortical mapping and T1-relaxometry with MPnRAGE: Test-retest reliability with and without retrospective motion correction by Kecskemeti, Steven, Freeman, Abigail, Travers, Brittany G, Alexander, Andrew L

“…A test-retest study of FreeSurfer derived cortical thickness, cortical surface area, and cortical volume, as well as quantitative R1 relaxometry assessed on…”
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Optimizing the intrinsic parallel diffusivity in NODDI: An extensive empirical evaluation by Guerrero, Jose M, Adluru, Nagesh, Bendlin, Barbara B, Goldsmith, H Hill, Schaefer, Stacey M, Davidson, Richard J, Kecskemeti, Steven R, Zhang, Hui, Alexander, Andrew L

“…NODDI is widely used in parameterizing microstructural brain properties. The model includes three signal compartments: intracellular, extracellular, and free…”
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Longitudinal changes in cortical thickness in autism and typical development by ZIELINSKI, Brandon A, PRIGGE, Molly B. D, ALEXANDER, Andrew L, BIGLER, Erin D, LAINHART, Janet E, NIELSEN, Jared A, FROEHLICH, Alyson L, ABILDSKOV, Tracy J, ANDERSON, Jeffrey S, FLETCHER, P. Thomas, ZYGMUNT, Kristen M, TRAVERS, Brittany G, LANGE, Nicholas

“…The natural history of brain growth in autism spectrum disorders remains unclear. Cross-sectional studies have identified regional abnormalities in brain…”
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Functional connectivity magnetic resonance imaging classification of autism by Anderson, Jeffrey S., Nielsen, Jared A., Froehlich, Alyson L., DuBray, Molly B., Druzgal, T. Jason, Cariello, Annahir N., Cooperrider, Jason R., Zielinski, Brandon A., Ravichandran, Caitlin, Fletcher, P. Thomas, Alexander, Andrew L., Bigler, Erin D., Lange, Nicholas, Lainhart, Janet E.

“…Group differences in resting state functional magnetic resonance imaging connectivity between individuals with autism and typically developing controls have…”
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Mapping an index of the myelin g-ratio in infants using magnetic resonance imaging by Dean, Douglas C., O'Muircheartaigh, Jonathan, Dirks, Holly, Travers, Brittany G., Adluru, Nagesh, Alexander, Andrew L., Deoni, Sean C.L.

“…Optimal myelination of neuronal axons is essential for effective brain and cognitive function. The ratio of the axon diameter to the outer fiber diameter,…”
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Alterations of Myelin Content in Parkinson's Disease: A Cross-Sectional Neuroimaging Study by Dean, 3rd, Douglas C, Sojkova, Jitka, Hurley, Samuel, Kecskemeti, Steven, Okonkwo, Ozioma, Bendlin, Barbara B, Theisen, Frances, Johnson, Sterling C, Alexander, Andrew L, Gallagher, Catherine L

“…Alterations to myelin may be a core pathological feature of neurodegenerative diseases. Although white matter microstructural differences have been described…”
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A 16-year study of longitudinal volumetric brain development in males with autism by Prigge, Molly B.D., Lange, Nicholas, Bigler, Erin D., King, Jace B., Dean, Douglas C., Adluru, Nagesh, Alexander, Andrew L., Lainhart, Janet E., Zielinski, Brandon A.

“…Autism spectrum disorder (ASD) is a neurodevelopmental disorder with unknown brain etiology. Our knowledge to date about structural brain development across…”
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Mahalanobis distance tractometry (MaD-Tract) – a framework for personalized white matter anomaly detection applied to TBI by Guerrero-Gonzalez, Jose M, Yeske, Benjamin, Kirk, Gregory R, Bell, Michael J, Ferrazzano, Peter A, Alexander, Andrew L

“…Imaging-based quantitative measures from diffusion-weighted MRI (dMRI) offer the ability to non-invasively extract microscopic information from human brain…”
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Longitudinal development of manual motor ability in autism spectrum disorder from childhood to mid‐adulthood relates to adaptive daily living skills by Travers, Brittany G., Bigler, Erin D., Duffield, Tyler C., Prigge, Molly D.B., Froehlich, Alyson L., Lange, Nicholas, Alexander, Andrew L., Lainhart, Janet E.

“…Many individuals with autism spectrum disorder (ASD) exhibit motor difficulties, but it is unknown whether manual motor skills improve, plateau, or decline in…”
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Diffusion Tensor Imaging in Autism Spectrum Disorder: A Review by Travers, Brittany G., Adluru, Nagesh, Ennis, Chad, Tromp, Do P. M., Destiche, Dan, Doran, Sam, Bigler, Erin D., Lange, Nicholas, Lainhart, Janet E., Alexander, Andrew L.

“…White matter tracts of the brain allow neurons and neuronal networks to communicate and function with high efficiency. The aim of this review is to briefly…”
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How we get a grip: Microstructural neural correlates of manual grip strength in children by Surgent, Olivia, Guerrero-Gonzalez, Jose, Dean, Douglas C., Kirk, Gregory R., Adluru, Nagesh, Kecskemeti, Steven R., Alexander, Andrew L., Travers, Brittany G.

“…•The lateral grasping network is associated with pediatric grip.•Children may rely more on proprioception than cerebellar feedback for grip.•Measures…”
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Bootstrap white matter tractography (BOOT-TRAC) by Lazar, Mariana, Alexander, Andrew L

“…White matter tractography is a noninvasive method for estimating and visualizing the white matter connectivity patterns in the human brain using diffusion…”
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Gaze fixation and the neural circuitry of face processing in autism by Dalton, Kim M, Davidson, Richard J, Nacewicz, Brendon M, Johnstone, Tom, Schaefer, Hillary S, Gernsbacher, Morton Ann, Goldsmith, H H, Alexander, Andrew L

“…Diminished gaze fixation is one of the core features of autism and has been proposed to be associated with abnormalities in the neural circuitry of affect. We…”
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Longitudinal white matter microstructural change in Parkinson's disease by Pozorski, Vincent, Oh, Jennifer M., Adluru, Nagesh, Merluzzi, Andrew P., Theisen, Frances, Okonkwo, Ozioma, Barzgari, Amy, Krislov, Stephanie, Sojkova, Jitka, Bendlin, Barbara B., Johnson, Sterling C., Alexander, Andrew L., Gallagher, Catherine L.

“…Postmortem studies of Parkinson's disease (PD) suggest that Lewy body pathology accumulates in a predictable topographical sequence, beginning in the olfactory…”
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