Ranganatha Sitaram

Summary

Country: Germany

Publications

  1. ncbi Acquired control of ventral premotor cortex activity by feedback training: an exploratory real-time FMRI and TMS study
    Ranganatha Sitaram
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Tubingen, Germany
    Neurorehabil Neural Repair 26:256-65. 2012
  2. ncbi Temporal classification of multichannel near-infrared spectroscopy signals of motor imagery for developing a brain-computer interface
    Ranganatha Sitaram
    Institute for Infocomm Research, Singapore
    Neuroimage 34:1416-27. 2007
  3. ncbi Hemodynamic brain-computer interfaces for communication and rehabilitation
    Ranganatha Sitaram
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Gartenstr 29, 72074 Tubingen, Germany
    Neural Netw 22:1320-8. 2009
  4. ncbi Real-time support vector classification and feedback of multiple emotional brain states
    Ranganatha Sitaram
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Tubingen, Germany
    Neuroimage 56:753-65. 2011
  5. ncbi Using real-time fMRI to learn voluntary regulation of the anterior insula in the presence of threat-related stimuli
    Ralf Veit
    Institute of Medical Psychology and Behavioral Neurobiology, Gartenstr 29, 72074 Tubingen, University of Tubingen, Germany
    Soc Cogn Affect Neurosci 7:623-34. 2012
  6. ncbi Volitional control of anterior insula activity modulates the response to aversive stimuli. A real-time functional magnetic resonance imaging study
    Andrea Caria
    Institute of Medical Psychology and Behavioral Neurobiology, Eberhard Karls University of Tubingen, Tubingen, Germany
    Biol Psychiatry 68:425-32. 2010
  7. ncbi Detection of cerebral reorganization induced by real-time fMRI feedback training of insula activation: a multivariate investigation
    Sangkyun Lee
    University of Tubingen, Tubingen, Germany
    Neurorehabil Neural Repair 25:259-67. 2011
  8. ncbi Acquired self-control of insula cortex modulates emotion recognition and brain network connectivity in schizophrenia
    Sergio Ruiz
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Germany
    Hum Brain Mapp 34:200-12. 2013
  9. ncbi Real-time fMRI: a tool for local brain regulation
    Andrea Caria
    Institute of Medical Psychology and Behavioral Neurobiology, Eberhard Karls University of Tubingen, Tubingen, Germany
    Neuroscientist 18:487-501. 2012
  10. ncbi Effective functional mapping of fMRI data with support-vector machines
    Sangkyun Lee
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Gartenstr 29, 72074 Tubingen, Germany
    Hum Brain Mapp 31:1502-11. 2010

Collaborators

Detail Information

Publications16

  1. ncbi Acquired control of ventral premotor cortex activity by feedback training: an exploratory real-time FMRI and TMS study
    Ranganatha Sitaram
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Tubingen, Germany
    Neurorehabil Neural Repair 26:256-65. 2012
    ..Despite the availability of various options for movement restoration in stroke patients, there is no effective treatment for patients who show little or no functional recovery of upper limb motor function...
  2. ncbi Temporal classification of multichannel near-infrared spectroscopy signals of motor imagery for developing a brain-computer interface
    Ranganatha Sitaram
    Institute for Infocomm Research, Singapore
    Neuroimage 34:1416-27. 2007
    ..We also discuss here future extension of our system to develop a word speller application based on a cursor control paradigm incorporating online pattern classification of single-trial NIRS data...
  3. ncbi Hemodynamic brain-computer interfaces for communication and rehabilitation
    Ranganatha Sitaram
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Gartenstr 29, 72074 Tubingen, Germany
    Neural Netw 22:1320-8. 2009
    ..In this review, we consider fundamental principles, recent developments, applications and future directions and challenges of NIRS-based and fMRI-based BCIs...
  4. ncbi Real-time support vector classification and feedback of multiple emotional brain states
    Ranganatha Sitaram
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Tubingen, Germany
    Neuroimage 56:753-65. 2011
    ....
  5. ncbi Using real-time fMRI to learn voluntary regulation of the anterior insula in the presence of threat-related stimuli
    Ralf Veit
    Institute of Medical Psychology and Behavioral Neurobiology, Gartenstr 29, 72074 Tubingen, University of Tubingen, Germany
    Soc Cogn Affect Neurosci 7:623-34. 2012
    ..These findings illustrate the functional interactions between different brain areas during regulation of anterior insula activity in the presence of threat-related stimuli...
  6. ncbi Volitional control of anterior insula activity modulates the response to aversive stimuli. A real-time functional magnetic resonance imaging study
    Andrea Caria
    Institute of Medical Psychology and Behavioral Neurobiology, Eberhard Karls University of Tubingen, Tubingen, Germany
    Biol Psychiatry 68:425-32. 2010
    ..Here, for the first time, we investigated the modulatory effect of learned regulation of blood oxygenation level-dependent (BOLD) response in the left anterior insula on the perception of visual emotional stimuli...
  7. ncbi Detection of cerebral reorganization induced by real-time fMRI feedback training of insula activation: a multivariate investigation
    Sangkyun Lee
    University of Tubingen, Tubingen, Germany
    Neurorehabil Neural Repair 25:259-67. 2011
    ..Methods to better determine the nature of dynamic functional interactions between different brain regions and plasticity due to self-regulation training are still in development...
  8. ncbi Acquired self-control of insula cortex modulates emotion recognition and brain network connectivity in schizophrenia
    Sergio Ruiz
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Germany
    Hum Brain Mapp 34:200-12. 2013
    ..These findings open the door for further studies of rtfMRI in severely ill psychiatric populations, and possible therapeutic applications...
  9. ncbi Real-time fMRI: a tool for local brain regulation
    Andrea Caria
    Institute of Medical Psychology and Behavioral Neurobiology, Eberhard Karls University of Tubingen, Tubingen, Germany
    Neuroscientist 18:487-501. 2012
    ..Real-time fMRI represents a promising new approach to cognitive neuroscience that could complement traditional neuroimaging techniques by providing more causal insights into the functional role of circumscribed brain regions in behavior...
  10. ncbi Effective functional mapping of fMRI data with support-vector machines
    Sangkyun Lee
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Gartenstr 29, 72074 Tubingen, Germany
    Hum Brain Mapp 31:1502-11. 2010
    ..By applying this method on neuroimaging data of overt motor execution in nine healthy volunteers, we demonstrate higher decoding accuracy indicating the greater efficacy of this method...
  11. ncbi Self-regulation of regional cortical activity using real-time fMRI: the right inferior frontal gyrus and linguistic processing
    Giuseppina Rota
    Institute for Natural Language Processing, University of Stuttgart, Azenbergstrasse 12, Stuttgart, Germany
    Hum Brain Mapp 30:1605-14. 2009
    ..The present study confirms the efficacy of fMRI-biofeedback for noninvasive self-regulation of circumscribed brain activity...
  12. ncbi Regulation of anterior insular cortex activity using real-time fMRI
    Andrea Caria
    Institute of Medical Psychology and Behavioral Neurobiology, Eberhard Karls University of Tubingen, Tubingen, Germany
    Neuroimage 35:1238-46. 2007
    ..This is the first group study investigating the volitional control of emotionally relevant brain region by using rtfMRI training and confirms that self-regulation of local brain activity with rtfMRI is possible...
  13. ncbi Differences in hemodynamic activations between motor imagery and upper limb FES with NIRS
    Markus Schürholz
    Institute for Medical Psychology and Behavioural Neurobiology, Eberhard Karls University, 72074 Tubingen, Germany
    Conf Proc IEEE Eng Med Biol Soc 2012:4728-31. 2012
    ..More importantly, we demonstrate for the first time the successful classification of motor imagery and FES, indicating that it is technically feasible to implement a contingent NIRS-BCI with FES...
  14. ncbi Quantifying the link between anatomical connectivity, gray matter volume and regional cerebral blood flow: an integrative MRI study
    Bálint Várkuti
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Tubingen, Baden Wurttemberg, Germany
    PLoS ONE 6:e14801. 2011
    ..Local anatomical connectivity, gray matter volume and perfusion are traits of each brain region that are likely to be interdependent, however, particular patterns of systematic covariation have not yet been identified...
  15. ncbi Toward a brain-computer interface for Alzheimer's disease patients by combining classical conditioning and brain state classification
    Giulia Liberati
    Interuniversity Centre for Research on Cognitive Processing in Natural and Artificial Systems ECONA, Rome, Italy
    J Alzheimers Dis 31:S211-20. 2012
    ..This would represent a first step in the development of a BCI that could be used by AD patients, lending a new direction not only for communication, but also for rehabilitation and diagnosis...
  16. ncbi Real-time functional magnetic resonance imaging: methods and applications
    Nikolaus Weiskopf
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, WC1N 3BG London, UK
    Magn Reson Imaging 25:989-1003. 2007
    ....