Now showing items 21-40 of 40

    • Occipital lobe gray matter volume in male patients with chronic schizophrenia: A quantitative MRI study 

      Onitsuka, Toshiaki; McCarley, Robert William; Kuroki, Noriomi; Dickey, Chandlee C.; Kubicki, Marek R.; Demeo, Susan S.; Frumin, Melissa; Kikinis, Ron; Jolesz, Ferenc A.; Shenton, Martha Elizabeth (Elsevier BV, 2007)
      Schizophrenia is characterized by deficits in cognition as well as visual perception. There have, however, been few magnetic resonance imaging (MRI) studies of the occipital lobe as an anatomically defined region of interest ...
    • Planum Temporale and Heschl Gyrus Volume Reduction in Schizophrenia 

      Hirayasu, Yoshio; McCarley, Robert William; Salisbury, Dean F.; Tanaka, Shin; Soo Kwon, Jun; Frumin, Melissa; Snyderman, Danielle; Yurgelun-Todd, Deborah; Kikinis, Ron; Jolesz, Ferenc A.; Shenton, Martha Elizabeth (American Medical Association, 2000)
      Background: Magnetic resonance imaging studies in schizophrenia have revealed abnormalities in temporal lobe structures, including the superior temporal gyrus. More specifically, abnormalities have been reported in the ...
    • Potential of minimally invasive procedures in the treatment of uterine fibroids: a focus on magnetic resonance-guided focused ultrasound therapy 

      Fischer, Krisztina; McDannold, Nathan J; Tempany, Clare M; Jolesz, Ferenc A; Fennessy, Fiona M (Dove Medical Press, 2015)
      Minimally invasive treatment options are an important part of the uterine fibroid-treatment arsenal, especially among younger patients and in those who plan future pregnancies. This article provides an overview of the ...
    • Prefrontal cortex, negative symptoms, and schizophrenia: an MRI study 

      Wible, Cynthia Gayle; Anderson, Jane; Shenton, Martha Elizabeth; Kricun, Ashley; Hirayasu, Yoshio; Tanaka, Shin; Levitt, James Jonathan; O, Brian F; Kikinis, Ron; Jolesz, Ferenc A.; McCarley, Robert William (Elsevier BV, 2001)
      The present study measured prefrontal cortical gray and white matter volume in chronic, male schizophrenic subjects who were characterized by a higher proportion of mixed or negative symptoms than previous patients that ...
    • Prefrontal cortical thickness in first-episode psychosis: a magnetic resonance imaging study 

      Wiegand, Laura C; Warfield, Simon Keith; Levitt, James Jonathan; Hirayasu, Yoshio; Salisbury, Dean F; Heckers, Stephan; Dickey, Chandlee C.; Kikinis, Ron; Jolesz, Ferenc A.; McCarley, Robert William; Shenton, Martha Elizabeth (Elsevier BV, 2004)
      Background: Findings from postmortem studies suggest reduced prefrontal cortical thickness in schizophrenia; however, cortical thickness in first-episode schizophrenia has not been evaluated using magnetic resonance imaging ...
    • Prefrontal Gray Matter Volume Reduction in First Episode Schizophrenia 

      Hirayasu, Y.; Tanaka, Shin; Shenton, Martha Elizabeth; Salisbury, Dean; DeSantis, Massimo A.; Levitt, James Jonathan; Wible, Cindy; Yurgelun-Todd, Deborah; Kikinis, Ron; Jolesz, Ferenc A.; McCarley, Robert William (Oxford University Press (OUP), 2001)
      Functional measures have consistently shown prefrontal abnormalities in schizophrenia. However, structural magnetic resonance imaging (MRI) findings of prefrontal volume reduction have been less consistent. In this study, ...
    • Progressive Decrease of Left Heschl Gyrus and Planum Temporale Gray Matter Volume in First-Episode Schizophrenia 

      Kasai, Kiyoto; Shenton, Martha Elizabeth; Salisbury, Dean F.; Hirayasu, Yoshio; Onitsuka, Toshiaki; Spencer, Magdalena H.; Yurgelun-Todd, Deborah; Kikinis, Ron; Jolesz, Ferenc A.; McCarley, Robert William (American Medical Association (AMA), 2003)
      Background: The Heschl gyrus and planum temporale have crucial roles in auditory perception and language processing. Our previous investigation using magnetic resonance imaging (MRI) indicated smaller gray matter volumes ...
    • Progressive Decrease of Left Superior Temporal Gyrus Gray Matter Volume in Patients With First-Episode Schizophrenia 

      Kasai, Kiyoto; Shenton, Martha Elizabeth; Salisbury, Dean F.; Hirayasu, Yoshio; Lee, Chang-Uk; Ciszewski, Aleksandra A.; Yurgelun-Todd, Deborah; Kikinis, Ron; Jolesz, Ferenc A.; McCarley, Robert William (American Psychiatric Publishing, 2003)
      Objective: Smaller temporal lobe cortical gray matter volumes, including the left superior temporal gyrus, have been reported in magnetic resonance imaging (MRI) studies of patients with chronic schizophrenia and, more ...
    • Quantitative Volumetric MRI Study of the Cerebellum and Vermis in Schizophrenia: Clinical and Cognitive Correlates 

      Levitt, James Jonathan; McCarley, Robert William; Nestor, Paul Gerard; Petrescu, Creola; Donnino, Robert; Hirayasu, Yoshio; Kikinis, Ron; Jolesz, Ferenc A.; Shenton, Martha Elizabeth (American Psychiatric Publishing, 2016-09-14)
      Objective: Recent evidence suggests that the cerebellum may play a role in higher cognitive functions and, therefore, may play an important role in schizophrenia. Method: The authors used magnetic resonance imaging to ...
    • A review of diffusion tensor imaging studies in schizophrenia 

      Kubicki, Marek R.; McCarley, Robert William; Westin, Carl-Fredrik; PARK, H; Maier, Stephan Ernst; Kikinis, Ron; Jolesz, Ferenc A.; Shenton, Martha Elizabeth (Elsevier BV, 2007)
      Both post-mortem and neuroimaging studies have contributed significantly to what we know about the brain and schizophrenia. MRI studies of volumetric reduction in several brain regions in schizophrenia have confirmed early ...
    • Schizotypal personality disorder and MRI abnormalities of temporal lobe gray matter 

      Dickey, Chandlee C.; McCarley, Robert William; Voglmaier, Martina M.; Niznikiewicz, Margaret A.; Seidman, Larry Joel; Hirayasu, Yoshio; Fischer, Iris; Teh, Eng Kaet; Van Rhoads, Richard; Jakab, Marianna; Kikinis, Ron; Jolesz, Ferenc A.; Shenton, Martha Elizabeth (Elsevier BV, 1999)
      Background: Structural MRI data indicate schizophrenics have reduced left-sided temporal lobe gray matter volumes, especially in the superior temporal gyrus (STG) and medial temporal lobe. Our data further suggest a ...
    • Shape Differences in the Corpus Callosum in First-Episode Schizophrenia and First-Episode Psychotic Affective Disorder 

      Frumin, Melissa; Golland, Polina; Kikinis, Ron; Hirayasu, Yoshio; Salisbury, Dean F.; Hennen, John; Dickey, Chandlee C.; Anderson, Mark Allen; Jolesz, Ferenc A.; Grimson, W. Eric L.; McCarley, Robert William; Shenton, Martha Elizabeth (American Psychiatric Publishing, 2002)
      Objective: The corpus callosum, the largest white matter tract in the brain, is a midline structure associated with the formation of the hippocampus, septum pellucidum, and cingulate cortex, which have been implicated in ...
    • Shape of caudate nucleus and its cognitive correlates in neuroleptic-naive schizotypal personality disorder 

      Levitt, James Jonathan; Westin, Carl-Fredrik; Nestor, Paul Gerard; Estepar, Raul S.J; Dickey, Chandlee C.; Voglmaier, Martina M.; Seidman, Larry Joel; Kikinis, Ron; Jolesz, Ferenc A.; McCarley, Robert William; Shenton, Martha Elizabeth (Elsevier BV, 2004)
      Background: We measured the shape of the head of the caudate nucleus with a new approach based on magnetic resonance imaging (MRI) in schizotypal personality disorder (SPD) subjects in whom we previously reported decreased ...
    • Spatial normalization of diffusion tensor MRI using multiple channels 

      Park, Hae-Jeong; Kubicki, Marek R.; Shenton, Martha Elizabeth; Guimond, Alexandre; McCarley, Robert William; Maier, Stephan Ernst; Kikinis, Ron; Jolesz, Ferenc A.; Westin, Carl-Fredrik (Elsevier BV, 2003)
      Diffusion Tensor MRI (DT-MRI) can provide important in vivo information for the detection of brain abnormalities in diseases characterized by compromised neural connectivity. To quantify diffusion tensor abnormalities based ...
    • Subgenual Cingulate Cortex Volume in First-Episode Psychosis 

      Hirayasu, Yoshio; Shenton, Martha Elizabeth; Salisbury, Dean F.; Soo Kwon, Jun; Wible, Cynthia Gayle; Fischer, Iris A.; Yurgelun-Todd, Deborah; Zarate, Carlos; Kikinis, Ron; Jolesz, Ferenc A.; McCarley, Robert William (American Psychiatric Publishing, 1999)
      Objective: Gray matter volume and glucose utilization have been reported to be reduced in the left subgenual cingulate of subjects with familial bipolar or unipolar depression. It is unclear whether these findings are ...
    • Superior Temporal Gyrus Volume Abnormalities and Thought Disorder in Left-Handed Schizophrenic Men 

      Holinger, Dorothy; Shenton, Martha Elizabeth; Wible, Cynthia Gayle; Donnino, Robert; Kikinis, Ron; Jolesz, Ferenc A.; McCarley, Robert William (American Psychiatric Publishing, 1999)
      Objective: Studies of schizophrenia have not clearly defined handedness as a differentiating variable. Moreover, the relationship between thought disorder and anatomical anomalies has not been studied extensively in ...
    • Three-Dimensional Computed Tomography for Planning Urologic Surgery 

      Young, Geoffrey; Silverman, Stuart George; Kettenbach, Joachim; Hata, Nobuhiko; Golland, Polina; Jolesz, Ferenc A.; Loughlin, Kevin Raymond; Kikinis, Ron (Elsevier BV, 1998)
      The development and marketing of new volumetric computed tomography (CT) scanners in 1990 made it possible to perform three-dimensional (3-D) imaging of the abdomen without respiratory artifacts and with clarity similar ...
    • Uncinate Fasciculus Findings in Schizophrenia: A Magnetic Resonance Diffusion Tensor Imaging Study 

      Kubicki, Marek R.; Westin, Carl-Fredrik; Maier, Stephan Ernst; Frumin, Melissa; Nestor, Paul Gerard; Salisbury, Dean F.; Kikinis, Ron; Jolesz, Ferenc A.; McCarley, Robert William; Shenton, Martha Elizabeth (American Psychiatric Publishing, 2002)
      Objective: Disruptions in connectivity between the frontal and temporal lobes may explain some of the symptoms observed in schizophrenia. Conventional magnetic resonance imaging (MRI) studies, however, have not shown ...
    • Voxel-Based Morphometric Analysis of Gray Matter in First Episode Schizophrenia 

      Kubicki, Marek R.; Shenton, Martha Elizabeth; Salisbury, D.F.; Hirayasu, Y; Kasai, Kazue; Kikinis, Ron; Jolesz, Ferenc A.; McCarley, Robert William (Elsevier BV, 2002)
      Voxel-based morphometry (VBM) may afford a more rapid and extensive survey of gray matter abnormalities in schizophrenia than manually drawn region of interest (ROI) analysis, the current gold standard in structural MRI. ...
    • White matter hemisphere asymmetries in healthy subjects and in schizophrenia: a diffusion tensor MRI study 

      Park, Hae-Jeong; Westin, Carl-Fredrik; Kubicki, Marek R.; Maier, Stephan Ernst; Niznikiewicz, Margaret A.; Baer, Aaron H; Frumin, Melissa; Kikinis, Ron; Jolesz, Ferenc A.; McCarley, Robert William; Shenton, Martha Elizabeth (Elsevier BV, 2004)
      Hemisphere asymmetry was explored in normal healthy subjects and in patients with schizophrenia using a novel voxel-based tensor analysis applied to fractional anisotropy (FA) of the diffusion tensor. Our voxel-based ...