G Pfurtscheller

Summary

Affiliation: Graz University of Technology
Country: Austria

Publications

  1. ncbi request reprint Beta rebound after different types of motor imagery in man
    G Pfurtscheller
    Institute for Human Computer Interfaces, Graz University of Technology, Inffeldgasse 16a, 8010 Graz, Austria
    Neurosci Lett 378:156-9. 2005
  2. ncbi request reprint Event-related beta synchronization after wrist, finger and thumb movement
    G Pfurtscheller
    Department of Medical Informatics, Institute for Biomedical Engineering, University of Technology, Graz, Austria
    Electroencephalogr Clin Neurophysiol 109:154-60. 1998
  3. ncbi request reprint [Mental activity hand orthosis control using the EEG: a case study]
    G Pfurtscheller
    Abteilung für Medizinische Informatik, Institut für Elektro und biomedizinische Technik, Technische Universitat Graz, Osterreich
    Rehabilitation (Stuttg) 41:48-52. 2002
  4. ncbi request reprint Functional dissociation of lower and upper frequency mu rhythms in relation to voluntary limb movement
    G Pfurtscheller
    Department of Medical Informatics, Institute of Biomedical Engineering, University of Technology Graz, Inffeldgasse 16a II, A 8010, Graz, Austria
    Clin Neurophysiol 111:1873-9. 2000
  5. ncbi request reprint Brain oscillations control hand orthosis in a tetraplegic
    G Pfurtscheller
    Department of Medical Informatics Institute of Biomedical Engineering, University of Technology, Graz, Austria
    Neurosci Lett 292:211-4. 2000
  6. ncbi request reprint Current trends in Graz Brain-Computer Interface (BCI) research
    G Pfurtscheller
    Department of Medical Informatics, Institute for Biomedical Engineering, University of Technology Graz, Austria
    IEEE Trans Rehabil Eng 8:216-9. 2000
  7. ncbi request reprint Do brain oscillations of different frequencies indicate interaction between cortical areas in humans?
    G Pfurtscheller
    Department of Medical Informatics, Institute of Biomedical Engineering, Technical University Graz, Inffeldgasse 16a II, A 8010, Graz, Austria
    Neurosci Lett 286:66-8. 2000
  8. ncbi request reprint Visually guided motor imagery activates sensorimotor areas in humans
    G Pfurtscheller
    Department of Medical Informatics, and Ludwig Boltzmann Institute for Medical Informatics and Neuroinformatics, Technical University Graz, Austria
    Neurosci Lett 269:153-6. 1999
  9. ncbi request reprint Induced oscillations in the alpha band: functional meaning
    G Pfurtscheller
    Department of Medical Informatics, Institute of Biomedical Engineering and Ludwig Boltzmann Institute for Medical Informatics and Neuroinformatics, Technical University Graz, Inffeldgasse 16a II, A 8010 Graz, Switzerland
    Epilepsia 44:2-8. 2003
  10. ncbi request reprint Functional brain imaging based on ERD/ERS
    G Pfurtscheller
    Department of Medical Informatics, Institute of Biomedical Engineering and Ludwig Boltzmann Institute for Medical Informatics and Neuroinformatics, University of Technology Graz, Inffeldgasse 16a II, A 8010, Graz, Austria
    Vision Res 41:1257-60. 2001

Collaborators

Detail Information

Publications65

  1. ncbi request reprint Beta rebound after different types of motor imagery in man
    G Pfurtscheller
    Institute for Human Computer Interfaces, Graz University of Technology, Inffeldgasse 16a, 8010 Graz, Austria
    Neurosci Lett 378:156-9. 2005
    ..The midcentrally located beta rebound is interpreted as an electrophysiological correlate of a simultaneous "resetting" of overlapping neural networks in the foot representation areas and the SMA...
  2. ncbi request reprint Event-related beta synchronization after wrist, finger and thumb movement
    G Pfurtscheller
    Department of Medical Informatics, Institute for Biomedical Engineering, University of Technology, Graz, Austria
    Electroencephalogr Clin Neurophysiol 109:154-60. 1998
    ..Summarizing, pre-movement desynchronization seems relatively independent of the forthcoming type of movement, whereas the post-movement beta synchronization might depend on the activated muscle mass...
  3. ncbi request reprint [Mental activity hand orthosis control using the EEG: a case study]
    G Pfurtscheller
    Abteilung für Medizinische Informatik, Institut für Elektro und biomedizinische Technik, Technische Universitat Graz, Osterreich
    Rehabilitation (Stuttg) 41:48-52. 2002
    ..The restored grasp function was verified by a grasp function test. Results are compared to those obtained using a conventional EMG-controlled orthosis...
  4. ncbi request reprint Functional dissociation of lower and upper frequency mu rhythms in relation to voluntary limb movement
    G Pfurtscheller
    Department of Medical Informatics, Institute of Biomedical Engineering, University of Technology Graz, Inffeldgasse 16a II, A 8010, Graz, Austria
    Clin Neurophysiol 111:1873-9. 2000
    ..The goal of this study is to investigate the reactivity of central rhythms in the alpha band during self-paced voluntary finger and foot movement and to give an answer to the question, whether different types of mu rhythms exist...
  5. ncbi request reprint Brain oscillations control hand orthosis in a tetraplegic
    G Pfurtscheller
    Department of Medical Informatics Institute of Biomedical Engineering, University of Technology, Graz, Austria
    Neurosci Lett 292:211-4. 2000
    ..The operation of this device is directly based on the bioelectrical signals of the brain. After some months of training, T. S. has learned to operate the hand orthosis by mental imagination of specific motor commands...
  6. ncbi request reprint Current trends in Graz Brain-Computer Interface (BCI) research
    G Pfurtscheller
    Department of Medical Informatics, Institute for Biomedical Engineering, University of Technology Graz, Austria
    IEEE Trans Rehabil Eng 8:216-9. 2000
    ..g. for cursor control. In a number of on-line experiments, various methods for EEG feature extraction and classification have been evaluated...
  7. ncbi request reprint Do brain oscillations of different frequencies indicate interaction between cortical areas in humans?
    G Pfurtscheller
    Department of Medical Informatics, Institute of Biomedical Engineering, Technical University Graz, Inffeldgasse 16a II, A 8010, Graz, Austria
    Neurosci Lett 286:66-8. 2000
    ..The results indicate that, related to the same event, distinct cortical areas can display increased synchronized activity at different frequencies, providing evidence for interaction between the corresponding neuronal networks...
  8. ncbi request reprint Visually guided motor imagery activates sensorimotor areas in humans
    G Pfurtscheller
    Department of Medical Informatics, and Ludwig Boltzmann Institute for Medical Informatics and Neuroinformatics, Technical University Graz, Austria
    Neurosci Lett 269:153-6. 1999
    ..The results suggest that perception of the visual cue stimulus modifies oscillations in sensorimotor areas specific to the indicated hand starting as soon as 250-500 ms after stimulus onset...
  9. ncbi request reprint Induced oscillations in the alpha band: functional meaning
    G Pfurtscheller
    Department of Medical Informatics, Institute of Biomedical Engineering and Ludwig Boltzmann Institute for Medical Informatics and Neuroinformatics, Technical University Graz, Inffeldgasse 16a II, A 8010 Graz, Switzerland
    Epilepsia 44:2-8. 2003
    ..The induced oscillations (ERS) are dominant in the 10- to 13-Hz band and very likely mediated by thalamic gating...
  10. ncbi request reprint Functional brain imaging based on ERD/ERS
    G Pfurtscheller
    Department of Medical Informatics, Institute of Biomedical Engineering and Ludwig Boltzmann Institute for Medical Informatics and Neuroinformatics, University of Technology Graz, Inffeldgasse 16a II, A 8010, Graz, Austria
    Vision Res 41:1257-60. 2001
    ..Spatial mapping of ERD/ERS can be used to study the dynamics of cortical activation patterns. Examples from a movement task are reported...
  11. ncbi request reprint EEG-based discrimination between imagination of right and left hand movement
    G Pfurtscheller
    Ludwig Boltzmann Institute for Medical Informatics and Neuroinformatics, Graz University of Technology, Austria
    Electroencephalogr Clin Neurophysiol 103:642-51. 1997
    ..The ERD/ERS patterns over all sessions displayed a relatively small intra-subject variability with slight differences between sessions with and without feedback...
  12. ncbi request reprint Event-related synchronization (ERS) in the alpha band--an electrophysiological correlate of cortical idling: a review
    G Pfurtscheller
    Department of Medical Informatics, Graz University of Technology, Austria
    Int J Psychophysiol 24:39-46. 1996
    ..In both circumstances, the neurons in the hand area are not needed for visual processing or preparation for foot movement. As a result of this, an enhanced hand area mu rhythm can be observed...
  13. doi request reprint Short-lived brain state after cued motor imagery in naive subjects
    G Pfurtscheller
    Laboratory of Brain Computer Interfaces, Institute for Knowledge Discovery, Krenngasse 37, A 8010 Graz, Austria
    Eur J Neurosci 28:1419-26. 2008
    ....
  14. ncbi request reprint Mu rhythm (de)synchronization and EEG single-trial classification of different motor imagery tasks
    G Pfurtscheller
    Laboratory of Brain Computer Interfaces, Institute for Computer Graphics and Vision, Graz University of Technology, Inffeldgasse 16a, A 8010 Graz, Austria
    Neuroimage 31:153-9. 2006
    ..This implies that such EEG phenomena may be utilized in a multi-class brain-computer interface (BCI) operated simply by motor imagery...
  15. doi request reprint Toward a hybrid brain-computer interface based on imagined movement and visual attention
    B Z Allison
    Institute for Knowledge Discovery, BCI Lab, Graz University of Technology, 8010 Graz, Austria
    J Neural Eng 7:26007. 2010
    ..Subjects proficient with both approaches might combine them to increase information throughput by improving accuracy, reducing selection time, and/or increasing the number of possible commands...
  16. ncbi request reprint Graz-BCI: state of the art and clinical applications
    G Pfurtscheller
    Department of Medical Informatics, Institute of Biomedical Engineering, University of Technology Graz, 8010 Graz, Austria
    IEEE Trans Neural Syst Rehabil Eng 11:177-80. 2003
    ..Additionally, it is demonstrated how information transfer rates of 17 b/min can be acquired by real time classification of oscillatory activity...
  17. ncbi request reprint Frequency component selection for an ECoG-based brain-computer interface
    R Scherer
    Department of Medical Informatics, Institute of Biomedical Engineering, Graz University of Technology, Austria
    Biomed Tech (Berl) 48:31-6. 2003
    ..The results show that the ERD/ERS pattern found in ECoG generally matches the ERD/ERS pattern found in EEG recordings, but has an increased prevalence of frequency components in the beta range...
  18. ncbi request reprint Mechanical stimulation of the fingertip can induce bursts of beta oscillations in sensorimotor areas
    G Pfurtscheller
    Department of Medical Informatics, Institute of Biomedical Engineering, Technical University of Graz, Austria
    J Clin Neurophysiol 18:559-64. 2001
    ..These beta oscillations were found over both hemispheres with a clear dominance over the contralateral hand representation area...
  19. doi request reprint Centrally controlled heart rate changes during mental practice in immersive virtual environment: a case study with a tetraplegic
    G Pfurtscheller
    Institute for Knowledge Discovery, Graz University of Technology, Krenngasse 37, A 8010 Graz, Austria
    Int J Psychophysiol 68:1-5. 2008
    ..This provides evidence that mental practice of motor performance is accompanied not only by activation of cortical structures but also by central commands into the cardiovascular system with its nuclei in the brain stem...
  20. ncbi request reprint Distinction of different fingers by the frequency of stimulus induced beta oscillations in the human EEG
    G Pfurtscheller
    Department of Medical Informatics, Institute of Biomedical Engineering, University of Technology, Inffeldgasse 16a, A 8010 Graz, Austria
    Neurosci Lett 307:49-52. 2001
    ..In one subject the little finger showed a significant higher frequency as compared to the thumb. The difference in frequency was in the order of 1 Hz...
  21. ncbi request reprint Seperability of four-class motor imagery data using independent components analysis
    M Naeem
    Laboratory of Brain Computer Interfaces BCI Lab, Graz University of Technology, Krenngasse 37, 8010 Graz, Austria
    J Neural Eng 3:208-16. 2006
    ..For the cross-validated training data, CSP performed slightly better than Infomax, whereas for unseen test data, CSP yielded significantly better classification results than Infomax in one of the sessions...
  22. ncbi request reprint Evidence for distinct beta resonance frequencies in human EEG related to specific sensorimotor cortical areas
    C Neuper
    Department of Medical Informatics, Institute for Biomedical Engineering and Ludwig Boltzmann Institute for Medical Informatics and Neuroinformatics, Graz University of Technology, Inffelfgasse 16a II, A 8010, Graz, Austria
    Clin Neurophysiol 112:2084-97. 2001
    ..stimulation of upper and lower limbs. The aim of this study was to investigate whether the frequency of the beta response is related to specific regions within the sensorimotor strip...
  23. ncbi request reprint "Resonance-like" frequencies of sensorimotor areas evoked by repetitive tactile stimulation
    G R Müller
    Department of Medical Informatics, Institute of Biomedical Engineering, University of Technology Graz, Austria
    Biomed Tech (Berl) 46:186-90. 2001
    ..For each subject the band with the largest band power increase was determined on electrodes overlying the contralateral hand area. The band power maxima and therewith the "resonance-like" frequencies were found around 27 Hz...
  24. ncbi request reprint Rapid prototyping of an EEG-based brain-computer interface (BCI)
    C Guger
    Institute for Biomedical Engineering, Department of Medical Informatics, University of Technology Graz, Austria
    IEEE Trans Neural Syst Rehabil Eng 9:49-58. 2001
    ..A classification accuracy between 70% and 95% could be achieved with two EEG channels after some sessions with feedback using an adaptive autoregressive (AAR) model and linear discriminant analysis (LDA)...
  25. ncbi request reprint 15 years of BCI research at Graz University of Technology: current projects
    G Pfurtscheller
    Laboratory of Brain Computer Interfaces, Institute for Knowledge Discovery, Graz University of Technology, 8010 Graz, Austria
    IEEE Trans Neural Syst Rehabil Eng 14:205-10. 2006
    ..Recent projects deal with the development of asynchronous BCIs, the presentation of feedback and applications for communication and control...
  26. ncbi request reprint Exploring virtual environments with an EEG-based BCI through motor imagery
    R Leeb
    Laboratory of Brain Computer Interfaces, Institute for Computer Graphics and Vision, Graz University of Technology, Inffeldgasse 16a, 8010 Graz, Austria
    Biomed Tech (Berl) 50:86-91. 2005
    ..All subjects were able to achieve a rotation in the VR to the left or right by approximately 45 degrees during one trial...
  27. ncbi request reprint Spatiotemporal patterns of beta desynchronization and gamma synchronization in corticographic data during self-paced movement
    G Pfurtscheller
    Department of Medical Informatics, Institute of Biomedical Engineering, University of Technology Graz, Inffeldgasse 16a II, A 8010 Graz, Austria
    Clin Neurophysiol 114:1226-36. 2003
    ..To study the spatiotemporal pattern of event-related desynchronization (ERD) and event-related synchronization (ERS) in electrocorticographic (ECoG) data with closely spaced electrodes...
  28. ncbi request reprint Estimating the mutual information of an EEG-based Brain-Computer Interface
    A Schlogl
    Department of Medical Informatics, Institute of Biomedical Engineering, University of Technology, Graz
    Biomed Tech (Berl) 47:3-8. 2002
    ..The entropy difference was used as a measure of the separability of two classes of EEG patterns...
  29. ncbi request reprint Brain-computer communication based on the dynamics of brain oscillations
    G Pfurtscheller
    Department of Medical Informatics, Institute for Biomedical Engineering, Technical University of Graz, and Ludwig Boltzmann Institute for Medical Informatics and Neuroinformatics, Inffeldgasse 16a II, A 8010 Graz, Austria
    Suppl Clin Neurophysiol 57:583-91. 2004
    ..An EEG based brain switch that can control a FES-induced hand grasp of a tetraplegic and an approach towards an ECoG based brain switch are presented...
  30. ncbi request reprint "Virtual keyboard" controlled by spontaneous EEG activity
    B Obermaier
    Ludwig Boltzmann Institute of Medical Informatics and Neuroinformatics, University of Technology Graz, 8020 Graz, Austria
    IEEE Trans Neural Syst Rehabil Eng 11:422-6. 2003
    ..We report on three able-bodied subjects, operating the VK. The ability in the use of the VK varies between 0.85 and 0.5 letters/min in error-free writing...
  31. ncbi request reprint Optimal spatial filtering of single trial EEG during imagined hand movement
    H Ramoser
    Department of Medical Informatics, Institute of Biomedical Engineering, Graz University of Technology, Austria
    IEEE Trans Rehabil Eng 8:441-6. 2000
    ..The method performs a weighting of the electrodes according to their importance for the classification task. The high recognition rates and computational simplicity make it a promising method for an EEG-based brain-computer interface...
  32. ncbi request reprint Event-related dynamics of cortical rhythms: frequency-specific features and functional correlates
    C Neuper
    Department of Medical Informatics, Institute of Biomedical Engineering and Ludwig Boltzmann Institute for Medical Informatics and Neuroinformatics, University of Technology, Inffeldgasse 16a 11, 8010 Graz, Austria
    Int J Psychophysiol 43:41-58. 2001
    ..However, further research is needed to investigate the functional meaning of bursts of beta oscillations below 35 Hz...
  33. ncbi request reprint Information transfer rate in a five-classes brain-computer interface
    B Obermaier
    Ludwig Boltzmann Institute of Medical Informatics, Graz University of Technology, Austria
    IEEE Trans Neural Syst Rehabil Eng 9:283-8. 2001
    ..42 to 0.81 bits per trial and reveal that the upper limit of different mental tasks for a BCI system is three. In each subject, different combinations of three tasks resulted in the best performance...
  34. ncbi request reprint Event-related desynchronisation of central beta-rhythms during brisk and slow self-paced finger movements of dominant and nondominant hand
    A Stancak
    Ludwig Boltzmann Institute for Medical Informatics and Neuroinformatics, University of Technology, Graz, Austria graz ac at
    Brain Res Cogn Brain Res 4:171-83. 1996
    ..The results suggest that the dynamics of premovement desynchronisation and postmovement synchronisation of central beta-rhythms is related to hand dominance...
  35. ncbi request reprint Event-related beta EEG changes during wrist movements induced by functional electrical stimulation of forearm muscles in man
    G R Müller
    Department of Medical Informatics, Institute of Electrical and Biomedical Engineering, University of Technology Graz, Inffeldgasse 16a, A 8010 Graz, Austria
    Neurosci Lett 340:143-7. 2003
    ..These findings suggest that the sensorimotor processing during FES involves some of the processes which are also involved in voluntary hand movements...
  36. ncbi request reprint Clinical application of an EEG-based brain-computer interface: a case study in a patient with severe motor impairment
    C Neuper
    Department of Medical Informatics, Ludwig Boltzmann Institute for Medical Informatics and Neuroinformatics, University of Technology Graz, Graz Austria
    Clin Neurophysiol 114:399-409. 2003
    ....
  37. ncbi request reprint The effects of external load on movement-related changes of the sensorimotor EEG rhythms
    A Stancak
    Department of Medical Informatics, University of Technology, Graz, Austria
    Electroencephalogr Clin Neurophysiol 102:495-504. 1997
    ....
  38. ncbi request reprint Post-movement beta oscillations studied with linear estimation
    M van Burik
    Ludwig Boltzmann Institute for Medical Informatics and Neuroinformatics, University of Technology, Graz, Austria
    Electroencephalogr Clin Neurophysiol 106:195-8. 1998
    ..Both methods yield similar results and reveal a maximal event-related synchronisation over the left sensorimotor area approximately 500-750 ms after termination of movement...
  39. ncbi request reprint A fully automated correction method of EOG artifacts in EEG recordings
    A Schlogl
    Institute of Human Computer Interfaces, Graz University of Technology, Krenngasse 37 IV, A 8010 Graz, Austria
    Clin Neurophysiol 118:98-104. 2007
    ..A fully automated method for reducing EOG artifacts is presented and validated...
  40. ncbi request reprint Post-movement EEG synchronization studied with different high resolution methods
    G Edlinger
    Department of Medical Informatics, University of Technology, Graz, Austria
    Brain Topogr 10:103-13. 1997
    ..All methods, although having different theoretical basis, yield similar results and reveal a maximal event-related synchronization over the left sensorimotor area approximately 500-875 ms after termination of the movement...
  41. ncbi request reprint Critical decision-speed and information transfer in the "Graz Brain-Computer Interface"
    G Krausz
    Department of Medical Informatics, Institute of Biomedical Engineering, University of Technology, Inffeldgasse 16a II, 8010 Graz, Austria
    Appl Psychophysiol Biofeedback 28:233-40. 2003
    ..Attainable ITRs were between 5 and 17 bit/min depending on the participant's performance and condition...
  42. ncbi request reprint Graz brain-computer interface II: towards communication between humans and computers based on online classification of three different EEG patterns
    J Kalcher
    Department of Medical Informatics, Graz University of Technology, Austria
    Med Biol Eng Comput 34:382-8. 1996
    ..The online results show how selection of specific frequency bands influences the classification performance in single-trial data...
  43. doi request reprint Could the beta rebound in the EEG be suitable to realize a "brain switch"?
    G Pfurtscheller
    Laboratory of Brain Computer Interfaces, Institute for Knowledge Discovery, Graz University of Technology, Krenngasse 37, 8010 Graz, Styria, Austria
    Clin Neurophysiol 120:24-9. 2009
    ..Such a brain switch is a specifically designed brain-computer interface (BCI) with the aim to detect only one predefined brain state (e.g. EEG pattern) in ongoing brain activity...
  44. ncbi request reprint Early onset of post-movement beta electroencephalogram synchronization in the supplementary motor area during self-paced finger movement in man
    G Pfurtscheller
    Department of Medical Informatics, Institute of Biomedical Engineering, University of Technology Graz, Inffeldgasse 16a, A 8010, Graz, Austria
    Neurosci Lett 339:111-4. 2003
    ..This assumed resetting or inhibitory process within the SMA precedes that of the networks within the primary motor hand area...
  45. ncbi request reprint Real-time EEG analysis with subject-specific spatial patterns for a brain-computer interface (BCI)
    C Guger
    Department of Medical Informatics, Institute of Biomedical Engineering, Graz University of Technology, Austria
    IEEE Trans Rehabil Eng 8:447-56. 2000
    ....
  46. ncbi request reprint Cardiac responses induced during thought-based control of a virtual environment
    G Pfurtscheller
    Laboratory of Brain Computer Interfaces, Institute for Knowledge Discovery, Graz University of Technology, Krenngasse 37, A 8010 Graz, Austria
    Int J Psychophysiol 62:134-40. 2006
    ..The heart rate acceleration in the VE is interpreted as effect of an increased mental effort to walk as far as possible in VE...
  47. ncbi request reprint Hidden Markov models used for the offline classification of EEG data
    B Obermaier
    Ludwig Boltzmann Institute for Medical Informatics and Neuroinformatics, University of Technology, Graz
    Biomed Tech (Berl) 44:158-62. 1999
    ..The effects of different types of HMMs on the recognition rate are discussed. Furthermore a comparison of the results achieved with the linear discriminant (LD) and the HMM, is presented...
  48. ncbi request reprint Contrasting behavior of beta event-related synchronization and somatosensory evoked potential after median nerve stimulation during finger manipulation in man
    G Pfurtscheller
    Department of Medical Informatics, Institute of Biomedical Engineering, University of Technology Graz, Inffeldgasse 16a, A 8010 Graz, Austria
    Neurosci Lett 323:113-6. 2002
    ..The results suggest that both phenomena can be interpreted as responses of different neuronal structures in sensorimotor areas...
  49. ncbi request reprint EEG-based communication: presence of an error potential
    G Schalk
    Department of Medical Informatics, Institute of Biomedical Engineering, Graz University of Technology, Graz, Austria
    Clin Neurophysiol 111:2138-44. 2000
    ..While cursor movement is highly accurate in trained subjects, it is not perfect...
  50. ncbi request reprint Using time-dependent neural networks for EEG classification
    E Haselsteiner
    Department of Medical Informatics, Graz Technical University, Austria
    IEEE Trans Rehabil Eng 8:457-63. 2000
    ..The results of a BCI experiment with three different subjects are given and discussed. These results demonstrate the higher performance of the FIR MLP compared with the standard MLP...
  51. ncbi request reprint On the existence of different alpha band rhythms in the hand area of man
    C Andrew
    Ludwig Boltzmann Institute of Medical Informatics and Neuroinformatics, Austria
    Neurosci Lett 222:103-6. 1997
    ..An explanation for the coexistence of these rhythms in terms of a global/local EEG model is provided...
  52. ncbi request reprint Visualization of significant ERD/ERS patterns in multichannel EEG and ECoG data
    B Graimann
    Department of Medical Informatics, Institute for Biomedical Engineering, Technical University Graz, Inffeldgasse 16a II, A 8010 Graz, Austria
    Clin Neurophysiol 113:43-7. 2002
    ..Such analysis can be difficult, especially when using multichannel data. Therefore, an effective method for the visualization of event-related changes in oscillatory brain activity is required...
  53. ncbi request reprint Sleep classification in infants by decision tree-based neural networks
    I Koprinska
    Ludwig Boltzmann Institute of Medical Informatics and Neuroinformatics, Graz, Austria
    Artif Intell Med 8:387-401. 1996
    ..The teaching input was provided by a medical expert in accordance with the rules of Guilleminault and Souquet. The performance of TBNN is compared with 5 other methods and the results are discussed...
  54. ncbi request reprint Study of on-line adaptive discriminant analysis for EEG-based brain computer interfaces
    C Vidaurre
    Department of Electrical and Electronic Engineering, Public University of Navarre, Campus Arrosadia s n, 31006 Pamplona, Spain
    IEEE Trans Biomed Eng 54:550-6. 2007
    ..Finally a static subject-specific baseline was also provided and used to compare performance measurements of both types of adaptation...
  55. ncbi request reprint Self-initiation of EEG-based brain-computer communication using the heart rate response
    R Scherer
    J Neural Eng 4:L23-9. 2007
    ..Threshold detection was used to measure a beat-to-beat heart rate increase. Despite this simple method, during a 30 min evaluation period on average only 2.9 non-intentional switches (heart rate changes) were detected...
  56. ncbi request reprint A fully on-line adaptive BCI
    C Vidaurre
    Department of Electrical Engineering and Electronics, State University of Navarra, Pamplona, Spain
    IEEE Trans Biomed Eng 53:1214-9. 2006
    ..The success of the feedback was studied analyzing the error rate and mutual information of each session and this analysis showed a clear improvement of the subject's control of the BCI from session to session...
  57. ncbi request reprint A comparison approach toward finding the best feature and classifier in cue-based BCI
    R Boostani
    Department of Computer Science and Engineering, School of Engineering, Shiraz University, Shiraz, Iran
    Med Biol Eng Comput 45:403-12. 2007
    ..Genetic feature combination results have been compared with the simple feature combination to show the performance of the Genetic algorithm...
  58. ncbi request reprint Adaptive on-line classification for EEG-based brain computer interfaces with AAR parameters and band power estimates
    C Vidaurre
    Department of Electrical Engineering and Electronics, State University of Navarra, Spain
    Biomed Tech (Berl) 50:350-4. 2005
    ..Finally, it was shown that even subjects starting with a low performance were able to control the system in a few hours: and contrary to previous results no differences between AAR and BP estimates were found...
  59. ncbi request reprint [Functional electrical stimulation instead of surgery? Improvement of grasping function with FES in a patient with C5 tetraplegia]
    J Pfurtscheller
    Unfallchirurgische Abteilung, Landeskrankenhaus Villach, Osterreich
    Unfallchirurg 108:587-90. 2005
    ..Application of this stimulation system enabled the patient to drink for the first time after the accident from a glass without any additional help...
  60. ncbi request reprint [EEG-based communication--a new concept for rehabilitative support in patients with severe motor impairment]
    C Neuper
    Ludwig Boltzmann Institut für Medizinische Informatik und Neuroinformatik, Technische Universitat Graz
    Rehabilitation (Stuttg) 42:371-7. 2003
    ..quot;Telemonitoring-assisted" training facilitates clinical application in a larger number of patients...
  61. ncbi request reprint How many people are able to operate an EEG-based brain-computer interface (BCI)?
    C Guger
    Guger Technologies OEG, A 8020 Graz, Austria
    IEEE Trans Neural Syst Rehabil Eng 11:145-7. 2003
    ..Roughly 93% of the subjects were able to achieve classification accuracy above 60% after two sessions of training...
  62. ncbi request reprint Computational model of thalamo-cortical networks: dynamical control of alpha rhythms in relation to focal attention
    P Suffczynski
    Laboratory of Medical Physics, Institute of Experimental Physics, Warsaw University, Warsaw, Poland
    Int J Psychophysiol 43:25-40. 2001
    ....
  63. ncbi request reprint Automatic differentiation of multichannel EEG signals
    B O Peters
    John von Neumann Institute for Computing, , , Germany
    IEEE Trans Biomed Eng 48:111-6. 2001
    ..Classification was optimal during the actual movement, but a first peak in the classification success rate was observed in all subjects already when they had been cued which movement later to perform...
  64. ncbi request reprint Source localization of induced cortical oscillations during tactile finger stimulation
    G Schweitzer
    , , TU Graz, Austria
    Biomed Tech (Berl) 46:24-8. 2001
    ..However, regarding the whole spatio-temporal pattern of the ERS for different fingers clear differences can be observed...
  65. ncbi request reprint Propagation of EEG activity in the beta and gamma band during movement imagery in humans
    J Ginter
    Laboratory of Medical Physics, Warsaw University, Warsaw, Poland
    Methods Inf Med 44:106-13. 2005
    ..The objective of the paper was the determination of electrical brain activity propagation in sensorimotor areas during hand movement imagery...