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  • Shenton, Martha$:$ (232)
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Now showing items 31-40 of 232

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Factors in sensory processing of prosody in schizotypal personality disorder: An fMRI experiment 

Dickey, Chandlee C.; Morocz, Istvan; Minney, Daniel; Niznikiewicz, Margaret A.; Voglmaier, Martina M.; Panych, Lawrence Patrick; Khan, Usman; Zacks, Rayna; Terry, Douglas P.; Shenton, Martha Elizabeth; McCarley, Robert William (Elsevier BV, 2010)
Introduction—Persons diagnosed with schizophrenia demonstrate deficits in prosody recognition. To examine prosody along the schizophrenia spectrum, antipsychotic-naïve schizotypal personality disorder (SPD) subjects and ...
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Local white matter geometry from diffusion tensor gradients 

Savadjiev, Peter; Kindlmann, Gordon L.; Bouix, Sylvain; Shenton, Martha Elizabeth; Westin, Carl-Fredrik (Elsevier BV, 2010)
We introduce a mathematical framework for computing geometrical properties of white matter fibres directly from diffusion tensor fields. The key idea is to isolate the portion of the gradient of the tensor field corresponding ...
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A Cross-Sectional and Longitudinal Magnetic Resonance Imaging Study of Cingulate Gyrus Gray Matter Volume Abnormalities in First-Episode Schizophrenia and First-Episode Affective Psychosis 

Koo, Min-Seong; Levitt, James Jonathan; Salisbury, Dean F.; Nakamura, Motoaki; Shenton, Martha Elizabeth; McCarley, Robert William (American Medical Association (AMA), 2008)
Context: Previous magnetic resonance imaging (MRI) findings have demonstrated psychopathological symptom–related smaller gray matter volumes in various cingulate gyrus subregions in schizophrenia and bipolar disorder. ...
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Gamma-Band Auditory Steady-State Responses Are Impaired in First Episode Psychosis 

Spencer, Kevin M.; Salisbury, Dean F.; Shenton, Martha Elizabeth; McCarley, Robert William (Elsevier BV, 2008)
Background: In chronic schizophrenia and chronic bipolar disorder, gamma band (30–100 Hz) auditory steady-state EEG responses (ASSRs) are reduced in power and phase locking, likely reflecting neural circuit dysfunction. ...
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Uncinate fasciculus abnormalities in recent onset schizophrenia and affective psychosis: A diffusion tensor imaging study 

Kawashima, Toshiro; Nakamura, Motoaki; Bouix, Sylvain; Kubicki, Marek R.; Salisbury, Dean F.; Westin, Carl-Fredrik; McCarley, Robert William; Shenton, Martha Elizabeth (Elsevier BV, 2009)
Two of the most frequently investigated regions in diffusion tensor imaging studies in chronic schizophrenia are the uncinate fasciculus (UF) and cingulum bundle (CB). The purpose of the present study was to determine ...
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Neural Tractography Using an Unscented Kalman Filter 

Malcolm, James G.; Shenton, Martha Elizabeth; Rathi, Yogesh (Springer Science + Business Media, 2009)
We describe a technique to simultaneously estimate a local neural fiber model and trace out its path. Existing techniques estimate the local fiber orientation at each voxel independently so there is no running knowledge ...
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Statistical analysis of fiber bundles using multi-tensor tractography: application to first-episode schizophrenia 

Rathi, Yogesh; Kubicki, Marek R.; Bouix, Sylvain; Westin, Carl-Fredrik; Goldstein, Jill M.; Seidman, Larry Joel; Mesholam-Gately, Raquelle; McCarley, Robert William; Shenton, Martha Elizabeth (Elsevier BV, 2011)
This work proposes a new method to detect abnormalities in fiber bundles of first-episode (FE) schizophrenia patients. Existing methods have either examined a particular region of interest (ROI) or used voxel based morphometry ...
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Age-related decline in white matter tract integrity and cognitive performance: A DTI tractography and structural equation modeling study 

Voineskos, Aristotle N.; Rajji, Tarek K.; Lobaugh, Nancy J.; Miranda, Dielle; Shenton, Martha Elizabeth; Kennedy, James L.; Pollock, Bruce G.; Mulsant, Benoit H. (Elsevier BV, 2012)
Age-related decline in microstructural integrity of certain white matter tracts may explain cognitive decline associated with normal aging. Whole brain tractography and a clustering segmentation in 48 healthy individuals ...
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Restoration of DWI Data Using a Rician LMMSE Estimator 

Aja-Fernandez, S.; Niethammer, M.; Kubicki, Marek R.; Shenton, Martha Elizabeth; Westin, Carl-Fredrik (Institute of Electrical & Electronics Engineers (IEEE), 2008)
This paper introduces and analyzes a linear minimum mean square error (LMMSE) estimator using a Rician noise model and its recursive version (RLMMSE) for the restoration of diffusion weighted images. A method to estimate ...
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Quantitative examination of a novel clustering method using magnetic resonance diffusion tensor tractography 

Voineskos, Aristotle N.; O, Lauren J.; Lobaugh, Nancy J.; Markant, Doug; Ameis, Stephanie H.; Niethammer, Marc; Mulsant, Benoit H.; Pollock, Bruce G.; Kennedy, James L.; Westin, Carl-Fredrik; Shenton, Martha Elizabeth (Elsevier BV, 2009)
MR diffusion tensor imaging (DTI) can measure and visualize organization of white matter fibre tracts in vivo. DTI is a relatively new imaging technique, and new tools developed for quantifying fibre tracts require evaluation. ...
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Filter

Author
  • Shenton, Martha$:$ (232)
  • McCarley, Robert William (146)
  • Kubicki, Marek (70)
  • Niznikiewicz, Margaret (65)
  • Kikinis, Ron (58)
  • Bouix, Sylvain (48)
  • Nestor, Paul (48)
  • Westin, Carl-Fredrik (48)
  • Dickey, Chandlee (36)
  • Jolesz, Ferenc (34)
  • ... View More
Keyword
  • schizophrenia (60)
  • diffusion tensor imaging (21)
  • magnetic resonance imaging (19)
  • MRI (15)
  • fractional anisotropy (13)
  • schizotypal personality disorder (13)
  • hippocampus (10)
  • white matter (10)
  • Schizophrenia (8)
  • tractography (8)
  • ... View More
FAS Department
  • Psychology (4)
  • Other Research Unit (1)
Date Issued
  • 2010 - 2017 (80)
  • 2000 - 2009 (135)
  • 1992 - 1999 (17)
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