Search Results - "Aizenstein, H.J."

Resting state connectivity within the basal ganglia and gait speed in older adults with cerebral small vessel disease and locomotor risk factors by Karim, H.T., Rosso, A., Aizenstein, H.J., Bohnen, N.I., Studenski, S., Rosano, C.

“…•Basal ganglia connectivity and its role in gait is not well understood.•Basal ganglia connectivity grouped into high and low connectivity.•Groups were not…”
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Reduced binding of Pittsburgh Compound-B in areas of white matter hyperintensities by Goodheart, A E, Tamburo, E, Minhas, D, Aizenstein, H J, McDade, E, Snitz, B E, Price, J C, Mathis, C A, Lopez, O L, Klunk, W E, Cohen, A D

“…The amyloid imaging agent, Pittsburgh Compound-B, binds with high affinity to β-amyloid (Aβ) in the brain, and it is well established that PiB also shows…”
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Acceleration of cerebral ventricular expansion in the Cardiovascular Health Study by Carmichael, Owen T, Kuller, L.H, Lopez, O.L, Thompson, P.M, Dutton, R.A, Lu, A, Lee, S.E, Lee, J.Y, Aizenstein, H.J, Meltzer, C.C, Liu, Y, Toga, A.W, Becker, J.T

“…Abstract Interactions between prevalent late-life medical conditions and expansion of the cerebral ventricles are not well understood. Thirty elderly subjects…”
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P1.115 White matter hyperintensities in localized motor tracts are associated with delays in step initiation during a choice reaction step task by Sparto, P.J, Aizenstein, H.J, VanSwearingen, J.M, Rosano, C, Perera, S, Studenski, S.A, Jennings, J.R, Nebes, R.D, Furman, J.M, Redfern, M.S

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The vascular depression hypothesis: mechanisms linking vascular disease with depression by Taylor, W D, Aizenstein, H J, Alexopoulos, G S

“…The ‘Vascular Depression’ hypothesis posits that cerebrovascular disease may predispose, precipitate or perpetuate some geriatric depressive syndromes. This…”
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In Vivo Imaging of Venous Side Cerebral Small-Vessel Disease in Older Adults: An MRI Method at 7T by Shaaban, C E, Aizenstein, H J, Jorgensen, D R, MacCloud, R L, Meckes, N A, Erickson, K I, Glynn, N W, Mettenburg, J, Guralnik, J, Newman, A B, Ibrahim, T S, Laurienti, P J, Vallejo, A N, Rosano, C

“…Traditional neuroimaging markers of small-vessel disease focus on late-stage changes. We aimed to adapt a method of venular assessment at 7T for use in older…”
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Association between change in brain gray matter volume, cognition, and depression severity: Pre- and post- antidepressant pharmacotherapy for late-life depression by Droppa, K., Karim, H.T., Tudorascu, D.L., Karp, J.F., Reynolds, C.F., Aizenstein, H.J., Butters, M.A.

“…Late-life depression (LLD) is associated with cognitive impairments and reduced gray matter volume (GMV); however the mechanisms underlying this association…”
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Generalized Tensor-Based Morphometry of HIV/AIDS Using Multivariate Statistics on Deformation Tensors by Lepore, Natasha, Brun, Caroline, Chou, Yi-Yu, Chiang, Ming-Chang, Dutton, Rebecca A., Hayashi, Kiralee M., Luders, Eileen, Lopez, Oscar L., Aizenstein, Howard J., Toga, Arthur W., Becker, James T., Thompson, Paul M.

“…This paper investigates the performance of a new multivariate method for tensor-based morphometry (TBM). Statistics on Riemannian manifolds are developed that…”
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Plasma biosignature and brain pathology related to persistent cognitive impairment in late-life depression by Diniz, B.S, Sibille, E, Ding, Y, Tseng, G, Aizenstein, H.J, Lotrich, F, Becker, J.T, Lopez, O.L, Lotze, M.T, Klunk, W.E, Reynolds, C.F, Butters, M.A

“…Cognitive impairment is highly prevalent among individuals with late-life depression (LLD) and tends to persist even after successful treatment. The biological…”
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The Role of Non-Rapid Eye Movement Slow-Wave Activity in Prefrontal Metabolism across Young and Middle Age Adults by Wilckens, K.A., Aizenstein, H.J., Nofzinger, E.A., James, J.A., Hasler, B.P., Rosario-Rivera, B.L., Franzen, P., Germain, A., Hall, M.H., Kupfer, D.J., Price, J.C., Siegle, G.J., Buysse, D.J.

“…Electroencephalographic slow-wave activity (0.5–4 Hz) during non rapid-eye-movement (NREM) sleep is a marker for cortical reorganization, particularly within…”
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FEATURE-BASED VS. INTENSITY-BASED BRAIN IMAGE REGISTRATION: COMPREHENSIVE COMPARISON USING MUTUAL INFORMATION by Teverovskiy, L.A., Carmichael, O.T., Aizenstein, H.J., Lazar, N., Liu, Y.

“…We propose a mutual information-based method for quantitative evaluation of the deformable registration algorithms at three levels: global, voxel-wise and…”
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340. Implicit versus explicit category learning: an event-related functional MRI study by Aizenstein, H.J., MacDonald, A.W., Stenger, V.A., Larson, J.K., Ursu, S., Nebes, R.D., Carter, C.S.

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LOCALIZING AMYGDALA STRUCTURE DIFFERENCES IN LATE-LIFE DEPRESSION by Tamburo, R.J., Siegle, G.J., Stetten, G.D., Cois, C.A., Rockot, K.J., Galeotti, J.M., Reynolds, C.F., Aizenstein, H.J.

“…The amygdala is critical for processing emotional information and plays an important role in late-life depression (LLD). Volumetric studies of the amygdala…”
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Fluid registration of medical images using Jensen-Renyi divergence reveals 3D profile of brain atrophy in HIV/AIDS by Ming-Chang Chiang, Dutton, R.A., Hayashi, K.M., Toga, A.W., Lopez, O.L., Aizenstein, H.J., Becker, J.T., Thompson, P.M.

“…We propose a novel fluid image registration strategy based on an information-theoretic measure, the Jensen-Renyi divergence (JRD) of two images. We modified…”
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Mapping ventricular changes related to dementia and mild cognitive impairment in a large community-based cohort by Carmichael, O.T., Thompson, P.M., Dutton, R.A., Lu, A., Lee, S.E., Lee, J.Y., Kuller, L.H., Lopez, O.L., Aizenstein, H.J., Meltzer, C.C., Yanxi Liu, Toga, A.W., Becker, J.T.

“…We present a fully-automated technique for visualizing localized cerebral ventricle shape differences between large clinical subject groups who have received a…”
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