Search Results - "Snyder, A. Z"

Lag structure in resting-state fMRI by Mitra, A, Snyder, A Z, Hacker, C D, Raichle, M E

“…The discovery that spontaneous fluctuations in blood oxygen level-dependent (BOLD) signals contain information about the functional organization of the brain…”
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Normative estimates of cross-sectional and longitudinal brain volume decline in aging and AD by FOTENOS, A. F, SNYDER, A. Z, GIRTON, L. E, MORRIS, J. C, BUCKNER, R. L

“…To test the hypotheses 1) that whole-brain volume decline begins in early adulthood, 2) that cross-sectional and longitudinal atrophy estimates agree in older,…”
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Frequency specific interactions of MEG resting state activity within and across brain networks as revealed by the multivariate interaction measure by Marzetti, L., Della Penna, S., Snyder, A.Z., Pizzella, V., Nolte, G., de Pasquale, F., Romani, G.L., Corbetta, M.

“…Resting state networks (RSNs) are sets of brain regions exhibiting temporally coherent activity fluctuations in the absence of imposed task structure. RSNs…”
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Intrinsic functional architecture in the anaesthetized monkey brain by Fox, M. D, Baker, J. T, Van Essen, D. C, Snyder, L. H, Patel, G. H, Corbetta, M, Snyder, A. Z, Raichle, M. E, Vincent, J. L, Zempel, J. M

“…The traditional approach to studying brain function is to measure physiological responses to controlled sensory, motor and cognitive paradigms. However, most…”
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Adding dynamics to the Human Connectome Project with MEG by Larson-Prior, L.J., Oostenveld, R., Della Penna, S., Michalareas, G., Prior, F., Babajani-Feremi, A., Schoffelen, J.-M., Marzetti, L., de Pasquale, F., Di Pompeo, F., Stout, J., Woolrich, M., Luo, Q., Bucholz, R., Fries, P., Pizzella, V., Romani, G.L., Corbetta, M., Snyder, A.Z.

“…The Human Connectome Project (HCP) seeks to map the structural and functional connections between network elements in the human brain. Magnetoencephalography…”
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Symmetry of Cortical Folding Abnormalities in Williams Syndrome Revealed by Surface-Based Analyses by Van Essen, David C, Dierker, Donna, Snyder, A. Z, Raichle, Marcus E, Reiss, Allan L, Korenberg, Julie

“…We analyzed folding abnormalities in the cerebral cortex of subjects with Williams syndrome (WS), a genetically based developmental disorder, using…”
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Adaptive Changes in Early and Late Blind: A fMRI Study of Braille Reading by Burton, H, Snyder, A. Z, Conturo, T. E, Akbudak, E, Ollinger, J. M, Raichle, M. E

“…  1 Department of Anatomy and Neurobiology,   2 Department of Neurology and Neurological Surgery, and   3 Department of Radiology, Washington University School…”
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Neural correlates of recovery from aphasia after damage to left inferior frontal cortex by ROSEN, H. J, PETERSEN, S. E, LINENWEBER, M. R, SNYDER, A. Z, WHITE, D. A, CHAPMAN, L, DROMERICK, A. W, FIEZ, J. A, CORBETTA, M

“…To determine neural correlates of recovery from aphasia after left frontal injury. The authors studied the verbal performance of patients with infarcts…”
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Increased diffusivity in acute multiple sclerosis lesions predicts risk of black hole by NAISMITH, R. T, XU, J, TUTLAM, N. T, SCULLY, P. T, TRINKAUS, K, SNYDER, A. Z, SONG, S.-K, CROSS, A. H

“…Diffusion tensor imaging (DTI) quantifies Brownian motion of water within tissue. Inflammation leads to tissue injury, resulting in increased diffusivity and…”
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A prospective, longitudinal diffusion tensor imaging study of brain injury in newborns by MCKINSTRY, R. C, MILLER, J. H, SNYDER, A. Z, MATHUR, A, SCHEFFT, G. L, ALMLI, C. R, SHIMONY, J. S, SHIRAN, S. I, NEIL, J. J

“…To establish the magnitude and time course of the changes in water diffusion coefficient (D(av)) following newborn infant brain injury. Ten newborn infants at…”
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Adaptive Changes in Early and Late Blind: A fMRI Study of Verb Generation to Heard Nouns by Burton, H, Snyder, A. Z, Diamond, J. B, Raichle, M. E

“…  1 Department of Anatomy and Neurobiology,   2 Department of Neurology and Neurological Surgery, and   3 Department of Radiology, Washington University School…”
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Differential Vulnerability of Anterior White Matter in Nondemented Aging with Minimal Acceleration in Dementia of the Alzheimer Type: Evidence from Diffusion Tensor Imaging by Head, Denise, Buckner, Randy L., Shimony, Joshua S., Williams, Laura E., Akbudak, Erbil, Conturo, Thomas E., McAvoy, Mark, Morris, John C., Snyder, Abraham Z.

“…White matter microstructural integrity was assessed using diffusion tensor imaging (DTI) in 25 young adults, 25 nondemented older adults, and 25 age-matched…”
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Normal brain in human newborns: apparent diffusion coefficient and diffusion anisotropy measured by using diffusion tensor MR imaging by Neil, J J, Shiran, S I, McKinstry, R C, Schefft, G L, Snyder, A Z, Almli, C R, Akbudak, E, Aronovitz, J A, Miller, J P, Lee, B C, Conturo, T E

“…To establish quantitative standards for the directionally averaged water apparent diffusion coefficient (D) and quantitative diffusion anisotropy (A sigma) of…”
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Diffusion tensor fiber tracking of human brain connectivity: aquisition methods, reliability analysis and biological results by Lori, N. F., Akbudak, E., Shimony, J. S., Cull, T. S., Snyder, A. Z., Guillory, R. K., Conturo, T. E.

“…We present a description, biological results and a reliability analysis for the method of diffusion tensor tracking (DTT) of white matter fiber pathways. In…”
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A Common Network of Functional Areas for Attention and Eye Movements by Corbetta, Maurizio, Akbudak, Erbil, Conturo, Thomas E, Snyder, Abraham Z, Ollinger, John M, Drury, Heather A, Linenweber, Martin R, Petersen, Steven E, Raichle, Marcus E, Van Essen, David C, Shulman, Gordon L

“…Functional magnetic resonance imaging (fMRI) and surface-based representations of brain activity were used to compare the functional anatomy of two tasks, one…”
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VERBAL MEMORY DEFICIT FOLLOWING TRAUMATIC BRAIN INJURY : ASSESSMENT USING ADVANCED MRI METHODS by MACDONALD, C. L, SCHWARZE, N, VAISHNAVI, S. N, EPSTEIN, A. A, SNYDER, A. Z, RAICHLE, M. E, SHIMONY, J. S, BRODY, D. L

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Long term treatment and disease severity change brain responses to levodopa in Parkinson’s disease by Hershey, T, Black, K J, Carl, J L, McGee-Minnich, L, Snyder, A Z, Perlmutter, J S

“…Objectives: Degeneration of nigrostriatal neurons and subsequent striatal dopamine deficiency produce many of the symptoms of Parkinson disease (PD). Initially…”
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Default Brain Functionality in Blind People by Burton, H., Snyder, A. Z., Raichle, M. E.

“…We studied whether default functionality of the human brain, as revealed by task-independent decreases in activity occurring during goal-directed behaviors, is…”
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Tactile Attention Tasks Enhance Activation in Somatosensory Regions of Parietal Cortex: A Positron Emission Tomography Study by Burton, H., Abend, N.S., MacLeod, A.-M.K., Sinclair, R.J., Snyder, A.Z., Raichle, M.E.

“…We used positron emission tomography to study cortical regions mediating tactile attention. Cues selectively directed subjects to attend to the roughness or…”
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Morning-evening variation in human brain metabolism and memory circuits by Shannon, B J, Dosenbach, R A, Su, Y, Vlassenko, A G, Larson-Prior, L J, Nolan, T S, Snyder, A Z, Raichle, M E

“…It has been posited that a critical function of sleep is synaptic renormalization following a net increase in synaptic strength during wake. We hypothesized…”
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