Nikolaus Weiskopf

Summary

Country: Germany

Publications

  1. ncbi request reprint Physiological self-regulation of regional brain activity using real-time functional magnetic resonance imaging (fMRI): methodology and exemplary data
    Nikolaus Weiskopf
    Institute of Medical Psychology and Behavioural Neurobiology, University of Tubingen, Tubingen, Germany
    Neuroimage 19:577-86. 2003
  2. ncbi request reprint Principles of a brain-computer interface (BCI) based on real-time functional magnetic resonance imaging (fMRI)
    Nikolaus Weiskopf
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Tubingen, Germany
    IEEE Trans Biomed Eng 51:966-70. 2004
  3. ncbi request reprint An EEG-driven brain-computer interface combined with functional magnetic resonance imaging (fMRI)
    Thilo Hinterberger
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Tubingen 72076, Germany
    IEEE Trans Biomed Eng 51:971-4. 2004
  4. ncbi request reprint Self-regulation of local brain activity using real-time functional magnetic resonance imaging (fMRI)
    Nikolaus Weiskopf
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Germany
    J Physiol Paris 98:357-73. 2004
  5. ncbi request reprint Neuronal mechanisms underlying control of a brain-computer interface
    Thilo Hinterberger
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Gartenstrasse 29, D 72074 Tubingen, Germany
    Eur J Neurosci 21:3169-81. 2005
  6. pmc The human amygdala is sensitive to the valence of pictures and sounds irrespective of arousal: an fMRI study
    Silke Anders
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Germany
    Soc Cogn Affect Neurosci 3:233-43. 2008
  7. ncbi request reprint 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
  8. ncbi request reprint Regulation of emotional responses elicited by threat-related stimuli
    Falk Eippert
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tuebingen, Germany
    Hum Brain Mapp 28:409-23. 2007
  9. ncbi request reprint Single-shot compensation of image distortions and BOLD contrast optimization using multi-echo EPI for real-time fMRI
    Nikolaus Weiskopf
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Tubingen, Germany
    Neuroimage 24:1068-79. 2005
  10. ncbi request reprint Benign partial epilepsy in childhood: selective cognitive deficits are related to the location of focal spikes determined by combined EEG/MEG
    Markus Wolff
    Department of Neuropediatrics, University Children s Hospital, Tuebingen, Germany
    Epilepsia 46:1661-7. 2005

Detail Information

Publications25

  1. ncbi request reprint Physiological self-regulation of regional brain activity using real-time functional magnetic resonance imaging (fMRI): methodology and exemplary data
    Nikolaus Weiskopf
    Institute of Medical Psychology and Behavioural Neurobiology, University of Tubingen, Tubingen, Germany
    Neuroimage 19:577-86. 2003
    ..This methodology of fMRI-feedback can assess voluntary control of circumscribed brain areas. As a further extension, behavioral effects of local self-regulation become accessible as a new field of research...
  2. ncbi request reprint Principles of a brain-computer interface (BCI) based on real-time functional magnetic resonance imaging (fMRI)
    Nikolaus Weiskopf
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Tubingen, Germany
    IEEE Trans Biomed Eng 51:966-70. 2004
    ..Technical and experimental aspects are discussed with respect to neurofeedback. The methodology now allows for studying behavioral effects and strategies of local self-regulation in healthy and diseased subjects...
  3. ncbi request reprint An EEG-driven brain-computer interface combined with functional magnetic resonance imaging (fMRI)
    Thilo Hinterberger
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Tubingen 72076, Germany
    IEEE Trans Biomed Eng 51:971-4. 2004
    ..The technical aspects and pitfalls of combined fMRI data acquisition and EEG neurofeedback are discussed. First data of SCP feedback during fMRI are presented...
  4. ncbi request reprint Self-regulation of local brain activity using real-time functional magnetic resonance imaging (fMRI)
    Nikolaus Weiskopf
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Germany
    J Physiol Paris 98:357-73. 2004
    ..Voluntary control of abnormal activity in circumscribed brain areas may even be applied as psychophysiological treatment...
  5. ncbi request reprint Neuronal mechanisms underlying control of a brain-computer interface
    Thilo Hinterberger
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Gartenstrasse 29, D 72074 Tubingen, Germany
    Eur J Neurosci 21:3169-81. 2005
    ..This skill depends critically on an intact and flexible interaction between the cortico-basal ganglia-thalamic circuits...
  6. pmc The human amygdala is sensitive to the valence of pictures and sounds irrespective of arousal: an fMRI study
    Silke Anders
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Germany
    Soc Cogn Affect Neurosci 3:233-43. 2008
    ....
  7. ncbi request reprint 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...
  8. ncbi request reprint Regulation of emotional responses elicited by threat-related stimuli
    Falk Eippert
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tuebingen, Germany
    Hum Brain Mapp 28:409-23. 2007
    ..The present study demonstrates that amygdala responses to threat-related stimuli can be controlled through the use of cognitive strategies depending on recruitment of prefrontal areas, thereby changing the subject's affective state...
  9. ncbi request reprint Single-shot compensation of image distortions and BOLD contrast optimization using multi-echo EPI for real-time fMRI
    Nikolaus Weiskopf
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Tubingen, Germany
    Neuroimage 24:1068-79. 2005
    ..Significant reduction in geometric distortion is shown both for phantom images and human fMRI data. Moreover, sensitivity to the blood oxygen level-dependent (BOLD) effect is increased by weighted summation of the undistorted images...
  10. ncbi request reprint Benign partial epilepsy in childhood: selective cognitive deficits are related to the location of focal spikes determined by combined EEG/MEG
    Markus Wolff
    Department of Neuropediatrics, University Children s Hospital, Tuebingen, Germany
    Epilepsia 46:1661-7. 2005
    ..Magnetoencephalography (MEG) improves the accuracy of spike localization. Therefore by using combined MEG/EEG, we investigated the topographic relation between focal spikes and neuropsychological findings in children with BPE...
  11. doi request reprint 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. pmc Processing of inconsistent emotional information: an fMRI study
    Giuseppina Rota
    Institute for Natural Language Processing, University of Stuttgart, Azenbergstrasse 12, 70174, Stuttgart, Germany
    Exp Brain Res 186:401-7. 2008
    ..This evidence confirms previous research investigating the neuronal network that supports the processing of emotional information...
  13. ncbi request reprint Mismatch negativity responses in schizophrenia: a combined fMRI and whole-head MEG study
    Tilo T J Kircher
    University of Tübingen Department of Psychiatry, Germany
    Am J Psychiatry 161:294-304. 2004
    ..Mismatch negativity response is diminished in patients with schizophrenia. Little is known about the mechanisms of this decreased response, the contribution of the different hemispheres, and its locus of generation...
  14. ncbi request reprint Mismatch responses to randomized gradient switching noise as reflected by fMRI and whole-head magnetoencephalography
    Klaus Mathiak
    Department of Neuroradiology, University of Tubingen, Germany
    Hum Brain Mapp 16:190-5. 2002
    ..The presented paradigm provides a robust and feasible tool to study the functional anatomy of early cognitive auditory processing in clinical populations such as schizophrenia...
  15. ncbi request reprint Infrared oculography-validation of a new method to monitor startle eyeblink amplitudes during fMRI
    Silke Anders
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Germany
    Neuroimage 22:767-70. 2004
    ..Thus, IOG provides a valid method to record startle eyeblinks and might be used to monitor affective state during fMRI...
  16. ncbi request reprint Optimal EPI parameters for reduction of susceptibility-induced BOLD sensitivity losses: a whole-brain analysis at 3 T and 1.5 T
    Nikolaus Weiskopf
    Wellcome Department of Imaging Neuroscience, Institute of Neurology, University College London, London, WC1N 3BG, UK
    Neuroimage 33:493-504. 2006
    ..g., encompassing the medial OFC, can be increased by more than 15%. The maps of optimal parameters allow for assessing the feasibility and improving fMRI of brain regions affected by susceptibility-induced BS losses...
  17. ncbi request reprint 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
    ....
  18. pmc Distinct causal influences of parietal versus frontal areas on human visual cortex: evidence from concurrent TMS-fMRI
    Christian C Ruff
    UCL Institute of Cognitive Neuroscience, 17 Queen Square, London WC1N 3AR, UK
    Cereb Cortex 18:817-27. 2008
    ..Our results show directly that parietal and frontal regions can indeed have distinct patterns of causal influence upon functional activity in human visual cortex...
  19. pmc Dorsal premotor cortex exerts state-dependent causal influences on activity in contralateral primary motor and dorsal premotor cortex
    Sven Bestmann
    Wellcome Trust Centre for Neuroimaging at UCL, Institute of Neurology, University College London, London, UK
    Cereb Cortex 18:1281-91. 2008
    ..We conclude that left PMd can exert state-dependent interhemispheric influences on contralateral cortical motor areas relevant for a current motor task...
  20. pmc Comparing hemodynamic models with DCM
    Klaas Enno Stephan
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, 12 Queen Square, London WC1N 3BG, UK, and Brain Dynamics Center, Westmead Millenium Institute, Westmead Hospital, NSW, Australia
    Neuroimage 38:387-401. 2007
    ..Using fMRI data from a group of twelve subjects, we demonstrate that the best model is a non-linear model with a revised form for the coefficients, in which epsilon is treated as a free parameter...
  21. pmc When fear is near: threat imminence elicits prefrontal-periaqueductal gray shifts in humans
    Dean Mobbs
    Wellcome Trust Centre for Neuroimaging, Functional Imaging Laboratory, University College London, London WC1N 3BG, UK
    Science 317:1079-83. 2007
    ..Our findings cast light on the neural dynamics of threat anticipation and have implications for the neurobiology of human anxiety-related disorders...
  22. pmc Threatening a rubber hand that you feel is yours elicits a cortical anxiety response
    H Henrik Ehrsson
    Wellcome Department of Imaging Neuroscience, Institute of Neurology, 12 Queen Square, London WC1N 3BG, United Kingdom
    Proc Natl Acad Sci U S A 104:9828-33. 2007
    ..These findings are of fundamental importance because they suggest that the feeling of body ownership is associated with changes in the interoceptive systems...
  23. pmc Context-dependent human extinction memory is mediated by a ventromedial prefrontal and hippocampal network
    Raffael Kalisch
    Wellcome Department of Imaging Neuroscience, Functional Imaging Laboratory, Institute of Neurology, University College London, London, WC1N 3BG, United Kingdom
    J Neurosci 26:9503-11. 2006
    ..Thus, a VMPFC-hippocampal network provides for context-dependent recall of human extinction memory, consistent with a view that hippocampus confers context dependence on VMPFC...
  24. pmc Optimized EPI for fMRI studies of the orbitofrontal cortex: compensation of susceptibility-induced gradients in the readout direction
    Nikolaus Weiskopf
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London, WC1N 3BG, UK
    MAGMA 20:39-49. 2007
    ..Here, BOLD sensitivity losses due to susceptibility- induced gradients in the readout (RO) direction are characterized and a compensation approach is developed...
  25. pmc Anterolateral prefrontal cortex mediates the analgesic effect of expected and perceived control over pain
    Katja Wiech
    Wellcome Department of Imaging Neuroscience, Institute of Neurology, London WC1N 3BG, United Kingdom
    J Neurosci 26:11501-9. 2006
    ..Failure to activate right alPFC may explain the maladaptive effects of strong general control beliefs during uncontrollable pain...