Shalini Narayana

Summary

Affiliation: University of Texas Health Science Center
Country: USA

Publications

  1. ncbi Electrophysiological and functional connectivity of the human supplementary motor area
    Shalini Narayana
    Research Imaging Institute, University of Texas Health Science Center, San Antonio, TX 78229, USA
    Neuroimage 62:250-65. 2012
  2. ncbi Neural correlates of efficacy of voice therapy in Parkinson's disease identified by performance-correlation analysis
    Shalini Narayana
    Department of Radiology, Research Imaging Center, University of Texas Health Science Center at San Antonio, Texas 78229, USA
    Hum Brain Mapp 31:222-36. 2010
  3. ncbi A noninvasive imaging approach to understanding speech changes following deep brain stimulation in Parkinson's disease
    Shalini Narayana
    Research Imaging Center, Honors College, The University of Texas Health Science Center, San Antonio, 7703 Floyd Curl Drive MSC 6240, San Antonio, TX 78229 3900, USA
    Am J Speech Lang Pathol 18:146-61. 2009
  4. ncbi "Resting" CBF in the epileptic baboon: correlation with ketamine dose and interictal epileptic discharges
    C Akos Szabo
    South Texas Comprehensive Epilepsy Center, University of Texas Health Science Center, San Antonio, TX, United States
    Epilepsy Res 82:57-63. 2008
  5. ncbi Changes occur in resting state network of motor system during 4 weeks of motor skill learning
    Liangsuo Ma
    Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center, Houston, TX 77054, USA
    Neuroimage 58:226-33. 2011
  6. ncbi Changes in regional activity are accompanied with changes in inter-regional connectivity during 4 weeks motor learning
    Liangsuo Ma
    Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center, Houston, TX 77030, USA
    Brain Res 1318:64-76. 2010
  7. ncbi Intensity modulation of TMS-induced cortical excitation: primary motor cortex
    Peter T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, 78284, USA
    Hum Brain Mapp 27:478-87. 2006
  8. ncbi PET imaging in the photosensitive baboon: case-controlled study
    C Akos Szabo
    South Texas Comprehensive Epilepsy Center, University of Texas Health Science Center at San Antonio, Texas 78284 7883, USA
    Epilepsia 48:245-53. 2007
  9. ncbi Force sensing system for automated assessment of motor performance during fMRI
    Bill Rogers
    Research Imaging Institute, University of Texas Health Science Center, 7703 Floyd Curl Dr, San Antonio, TX 7829, USA
    J Neurosci Methods 190:92-4. 2010
  10. ncbi Modeling motor connectivity using TMS/PET and structural equation modeling
    Angela R Laird
    Research Imaging Center, University of Texas Health Science Center, San Antonio, Texas 78229 3900, USA
    Neuroimage 41:424-36. 2008

Detail Information

Publications19

  1. ncbi Electrophysiological and functional connectivity of the human supplementary motor area
    Shalini Narayana
    Research Imaging Institute, University of Texas Health Science Center, San Antonio, TX 78229, USA
    Neuroimage 62:250-65. 2012
    ..Thus, we demonstrate that integrating multimodal database and imaging techniques can derive comprehensive connectivity maps of brain areas...
  2. ncbi Neural correlates of efficacy of voice therapy in Parkinson's disease identified by performance-correlation analysis
    Shalini Narayana
    Department of Radiology, Research Imaging Center, University of Texas Health Science Center at San Antonio, Texas 78229, USA
    Hum Brain Mapp 31:222-36. 2010
    ..These findings demonstrate that the short-term changes in the speech motor and multimodal integration areas can occur in a top-down manner...
  3. ncbi A noninvasive imaging approach to understanding speech changes following deep brain stimulation in Parkinson's disease
    Shalini Narayana
    Research Imaging Center, Honors College, The University of Texas Health Science Center, San Antonio, 7703 Floyd Curl Drive MSC 6240, San Antonio, TX 78229 3900, USA
    Am J Speech Lang Pathol 18:146-61. 2009
    ....
  4. ncbi "Resting" CBF in the epileptic baboon: correlation with ketamine dose and interictal epileptic discharges
    C Akos Szabo
    South Texas Comprehensive Epilepsy Center, University of Texas Health Science Center, San Antonio, TX, United States
    Epilepsy Res 82:57-63. 2008
    ..This study compares "resting" CBF between PS and CTL animals, and CBF correlations with ketamine dose and interictal epileptic discharges (IEDs) between PS and CTL animals...
  5. ncbi Changes occur in resting state network of motor system during 4 weeks of motor skill learning
    Liangsuo Ma
    Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center, Houston, TX 77054, USA
    Neuroimage 58:226-33. 2011
    ..These results confirm changes in the resting state network during slow-learning stage of motor skill learning, and support the premise that the resting state networks play a role in improving performance...
  6. ncbi Changes in regional activity are accompanied with changes in inter-regional connectivity during 4 weeks motor learning
    Liangsuo Ma
    Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center, Houston, TX 77030, USA
    Brain Res 1318:64-76. 2010
    ..We suggest that the performance gain was achieved by dynamically tuning the inter-regional connectivity in the motor network...
  7. ncbi Intensity modulation of TMS-induced cortical excitation: primary motor cortex
    Peter T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, 78284, USA
    Hum Brain Mapp 27:478-87. 2006
    ..Remote regions showed varying patterns of intensity response, which we interpret as reflecting varying levels of neuronal excitability and/or functional coupling in the conditions studied...
  8. ncbi PET imaging in the photosensitive baboon: case-controlled study
    C Akos Szabo
    South Texas Comprehensive Epilepsy Center, University of Texas Health Science Center at San Antonio, Texas 78284 7883, USA
    Epilepsia 48:245-53. 2007
    ..This study compared changes in cerebral blood flow (CBF) during intermittent light stimulation (ILS) between photosensitive and asymptomatic baboons...
  9. ncbi Force sensing system for automated assessment of motor performance during fMRI
    Bill Rogers
    Research Imaging Institute, University of Texas Health Science Center, 7703 Floyd Curl Dr, San Antonio, TX 7829, USA
    J Neurosci Methods 190:92-4. 2010
    ..The method was validated by comparing the FSR system results with results obtained by video analysis during the same session...
  10. ncbi Modeling motor connectivity using TMS/PET and structural equation modeling
    Angela R Laird
    Research Imaging Center, University of Texas Health Science Center, San Antonio, Texas 78229 3900, USA
    Neuroimage 41:424-36. 2008
    ..The model-generating SEM strategy thus proved highly effective and successfully identified a complex set of causal relationships of motor connectivity...
  11. ncbi Automated-parameterization of the motor evoked potential and cortical silent period induced by transcranial magnetic stimulation
    Christopher A Rábago
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
    Clin Neurophysiol 120:1577-87. 2009
    ..To standardize the characterization of motor evoked potential (MEP) and cortical silent period (CSP) recordings elicited with transcranial magnetic stimulation (TMS)...
  12. ncbi Functional neuroimaging of the baboon during concurrent image-guided transcranial magnetic stimulation
    Felipe S Salinas
    Research Imaging Institute, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
    Neuroimage 57:1393-401. 2011
    ....
  13. ncbi CBF changes during brain activation: fMRI vs. PET
    Ching-Mei Feng
    Research Imaging Center, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA
    Neuroimage 22:443-6. 2004
    ..95 +/- 2.54%, whereas the value measured by PET was 38.79 +/- 2.63%. Our results have demonstrated that there is no statistically significant difference (P = 0.22) in the measurements of rCBF change between MRI and PET methods...
  14. ncbi Column-based model of electric field excitation of cerebral cortex
    Peter T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229 3900, USA
    Hum Brain Mapp 22:1-14. 2004
    ..In addition, Rushton's cosine principle can used to model stimulation efficacy for an electrical field applied at any cortical site at any intensity and in any orientation...
  15. ncbi CNS Resident Award: role of the lateral premotor cortex in articulation
    Nitin Tandon
    Center for Neurosurgical Sciences and Research Imaging Center, University of Texas Health Science Center, San Antonio, Texas, USA
    Clin Neurosurg 50:341-9. 2003
  16. ncbi Long-term motor training induced changes in regional cerebral blood flow in both task and resting states
    Jinhu Xiong
    Department of Radiology, University of Iowa, Iowa City, 52242, USA
    Neuroimage 45:75-82. 2009
    ..Combining changes in resting state with activation data should greatly enhance our understanding of the mechanisms of motor-skill learning...
  17. ncbi Neuroimaging evidence of white matter inflammation in newly diagnosed systemic lupus erythematosus
    Amy E Ramage
    University of Texas Health Science Center at San Antonio and Department of Veterans Affairs Heart of Texas Health Care Network, San Antonio, TX 78229, USA
    Arthritis Rheum 63:3048-57. 2011
    ..The purpose of this study was to detect the presence and regional distribution of inflammation (hypermetabolism) and tissue failure, apoptosis, or atrophy (hypometabolism)...
  18. ncbi Evaluation of an image-guided, robotically positioned transcranial magnetic stimulation system
    Jack L Lancaster
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229 3900, USA
    Hum Brain Mapp 22:329-40. 2004
    ..The estimated maximum range of error in planned vs. delivered E-field strength was +4%, suggesting a high degree of accuracy and reproducibility in the planned use of the irTMS system...
  19. ncbi Functional PET Evaluation of the Photosensitive Baboon
    C Akos Szabo
    South Texas Comprehensive Epilepsy Center, University of Texas Health Science Center, San Antonio, Texas 78229, USA
    Open Neuroimag J 5:206-15. 2011
    ..The maps generated by the CBF analyses will be used to target specific nodes in the epileptic network for electrophysiological evaluation using intracranial electrodes...