G Schalk

Summary

Affiliation: Wadsworth Center
Country: USA

Publications

  1. ncbi request reprint Temporal transformation of multiunit activity improves identification of single motor units
    Gerwin Schalk
    Wadsworth Center, New York State Department of Health, P O Box 509, Empire State Plaza, Albany, NY 12201 0509, USA
    J Neurosci Methods 114:87-98. 2002
  2. ncbi request reprint ECoG factors underlying multimodal control of a brain-computer interface
    J Adam Wilson
    Department of Biomedical Engineering, University of Wisconsin, Madison, WI 53706, USA
    IEEE Trans Neural Syst Rehabil Eng 14:246-50. 2006
  3. ncbi request reprint The emerging world of motor neuroprosthetics: a neurosurgical perspective
    Eric C Leuthardt
    Department of Neurological Surgery, University of Washington School of Medicine, Harborview Medical Center, Seattle, Washington 63110, USA
    Neurosurgery 59:1-14; discussion 1-14. 2006
  4. ncbi request reprint Spectral changes in cortical surface potentials during motor movement
    Kai J Miller
    Department of Physics, University of Washington, Seattle, Washington 98195, USA
    J Neurosci 27:2424-32. 2007
  5. ncbi request reprint Decoding two-dimensional movement trajectories using electrocorticographic signals in humans
    G Schalk
    BCI R and D Progr, Wadsworth Ctr, NYS Department of Health, Albany, NY, USA
    J Neural Eng 4:264-75. 2007
  6. doi request reprint Brain-computer interfaces using electrocorticographic signals
    Gerwin Schalk
    Division of TranslationalMedicine, Wadsworth Center, Albany, NY 12201, USA
    IEEE Rev Biomed Eng 4:140-54. 2011
  7. doi request reprint Effective brain-computer interfacing using BCI2000
    Gerwin Schalk
    Wadsworth Center of the New York State Department of Health, Albany, New York, USA
    Conf Proc IEEE Eng Med Biol Soc 2009:5498-501. 2009
  8. pmc Real-time detection of event-related brain activity
    Gerwin Schalk
    Brain Computer Interface R and D Program, Wadsworth Center, New York State Department of Health, Albany, NY 12201, USA
    Neuroimage 43:245-9. 2008
  9. pmc Two-dimensional movement control using electrocorticographic signals in humans
    G Schalk
    BCI R and D Progr, Wadsworth Ctr, NYS Department of Health, Albany, NY, USA
    J Neural Eng 5:75-84. 2008
  10. pmc Brain-computer symbiosis
    Gerwin Schalk
    Brain Computer Interface Research and Development Program, Wadsworth Center, New York State Department of Health, Albany, NY, USA
    J Neural Eng 5:P1-P15. 2008

Research Grants

Detail Information

Publications32

  1. ncbi request reprint Temporal transformation of multiunit activity improves identification of single motor units
    Gerwin Schalk
    Wadsworth Center, New York State Department of Health, P O Box 509, Empire State Plaza, Albany, NY 12201 0509, USA
    J Neurosci Methods 114:87-98. 2002
    ..The relative independence of the MHT from the need to correctly classify individual firings permits a global description of stable repetitive firing behavior that is complementary to shape-based approaches to MUAP classification...
  2. ncbi request reprint ECoG factors underlying multimodal control of a brain-computer interface
    J Adam Wilson
    Department of Biomedical Engineering, University of Wisconsin, Madison, WI 53706, USA
    IEEE Trans Neural Syst Rehabil Eng 14:246-50. 2006
    ..This could prove to be vital for users who have neurological disease, head trauma, or other conditions precluding the use of sensorimotor cortex for BCI control...
  3. ncbi request reprint The emerging world of motor neuroprosthetics: a neurosurgical perspective
    Eric C Leuthardt
    Department of Neurological Surgery, University of Washington School of Medicine, Harborview Medical Center, Seattle, Washington 63110, USA
    Neurosurgery 59:1-14; discussion 1-14. 2006
    ..We review the current state of the field of motor neuroprosthetics research, the early clinical applications, and the essential considerations from a neurosurgical perspective for the future...
  4. ncbi request reprint Spectral changes in cortical surface potentials during motor movement
    Kai J Miller
    Department of Physics, University of Washington, Seattle, Washington 98195, USA
    J Neurosci 27:2424-32. 2007
    ..Sensorimotor representation was found to be somatotopic, localized in stereotactic space to rolandic cortex, and typically followed the classic homunculus with limited extrarolandic representation...
  5. ncbi request reprint Decoding two-dimensional movement trajectories using electrocorticographic signals in humans
    G Schalk
    BCI R and D Progr, Wadsworth Ctr, NYS Department of Health, Albany, NY, USA
    J Neural Eng 4:264-75. 2007
    ..These results suggest that ECoG could be a more stable and less invasive alternative to intracortical electrodes for BCI systems, and could also prove useful in studies of motor function...
  6. doi request reprint Brain-computer interfaces using electrocorticographic signals
    Gerwin Schalk
    Division of TranslationalMedicine, Wadsworth Center, Albany, NY 12201, USA
    IEEE Rev Biomed Eng 4:140-54. 2011
    ..In summary, the studies presented to date strongly encourage further research using the ECoG platform for basic neuroscientific research, as well as for translational neuroprosthetic applications...
  7. doi request reprint Effective brain-computer interfacing using BCI2000
    Gerwin Schalk
    Wadsworth Center of the New York State Department of Health, Albany, New York, USA
    Conf Proc IEEE Eng Med Biol Soc 2009:5498-501. 2009
    ..This paper gives an update on the status of this project by describing the principles of the BCI2000 system, its benefits, and impact on the field to date...
  8. pmc Real-time detection of event-related brain activity
    Gerwin Schalk
    Brain Computer Interface R and D Program, Wadsworth Center, New York State Department of Health, Albany, NY 12201, USA
    Neuroimage 43:245-9. 2008
    ..This capacity is particularly well suited to applications in which comprehensive prior data collection is impossible or impractical, such as intraoperative localization of cortical function or detection of epileptic seizures...
  9. pmc Two-dimensional movement control using electrocorticographic signals in humans
    G Schalk
    BCI R and D Progr, Wadsworth Ctr, NYS Department of Health, Albany, NY, USA
    J Neural Eng 5:75-84. 2008
    ..Our results support the expectation that ECoG-based BCIs can combine high performance with technical and clinical practicality, and also indicate promising directions for further research...
  10. pmc Brain-computer symbiosis
    Gerwin Schalk
    Brain Computer Interface Research and Development Program, Wadsworth Center, New York State Department of Health, Albany, NY, USA
    J Neural Eng 5:P1-P15. 2008
    ....
  11. ncbi request reprint Brain-computer interfaces (BCIs): detection instead of classification
    G Schalk
    Brain Computer Interface Research and Development Program, Wadsworth Center, New York State Department of Health, Albany, NY, USA
    J Neurosci Methods 167:51-62. 2008
    ..In summary, this paper demonstrates how SIGFRIED could be used to overcome one of the present impediments to translation of laboratory BCI demonstrations into clinically practical applications...
  12. 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...
  13. ncbi request reprint BCI2000: a general-purpose brain-computer interface (BCI) system
    Gerwin Schalk
    Laboratory of Nervous System Disorders, Wadsworth Center, New York State Department of Health, Albany, NY 12201 0509, USA
    IEEE Trans Biomed Eng 51:1034-43. 2004
    ..It is available with full documentation and free of charge for research or educational purposes and is currently being used in a variety of studies by many research groups...
  14. doi request reprint Current trends in hardware and software for brain-computer interfaces (BCIs)
    P Brunner
    BCI Research and Development Program, NYS Department of Health, Wadsworth Center, Albany, NY, USA
    J Neural Eng 8:025001. 2011
    ....
  15. pmc Decoding flexion of individual fingers using electrocorticographic signals in humans
    J Kubanek
    BCI R and D Program, Wadsworth Center, New York State Department of Health, Albany, NY, USA
    J Neural Eng 6:066001. 2009
    ..These results provide additional support for the hypothesis that ECoG could be the basis for powerful clinically practical BCI systems, and also indicate that ECoG is useful for studying cortical dynamics related to motor function...
  16. ncbi request reprint The Wadsworth Center brain-computer interface (BCI) research and development program
    Jonathan R Wolpaw
    Laboratory of Nervous System Disorders, Wadsworth Center, New York State Department of Health and State University of New York, Albany, NY 12201, USA
    IEEE Trans Neural Syst Rehabil Eng 11:204-7. 2003
    ..Finally, in collaboration with several other groups, we are developing simple BCI applications and are testing their practicality and long-term value for people with severe motor disabilities...
  17. pmc A practical procedure for real-time functional mapping of eloquent cortex using electrocorticographic signals in humans
    Peter Brunner
    Brain Computer Interface R and D Program, Wadsworth Center, New York State Department of Health, Albany, NY 12201, USA
    Epilepsy Behav 15:278-86. 2009
    ..10% false positives for hand and tongue maps, respectively. In summary, we demonstrate the first comprehensive evaluation of a practical and robust mapping procedure that could become a new tool for planning of invasive brain surgeries...
  18. ncbi request reprint The Wadsworth BCI Research and Development Program: at home with BCI
    Theresa M Vaughan
    Laboratory of Nervous System Disorders, Wadsworth Center, New York State Department of Health and State University of New York, Albany, NY 12201, USA
    IEEE Trans Neural Syst Rehabil Eng 14:229-33. 2006
    ..These developments have resulted in prototype systems for every day use in people's homes...
  19. ncbi request reprint Long-term spinal reflex studies in awake behaving mice
    Jonathan S Carp
    Wadsworth Center, New York State Department of Health, PO Box 509, Albany, NY 12201 0509, USA
    J Neurosci Methods 149:134-43. 2005
    ..This study demonstrates the feasibility of long-term continuous EMG recordings in mice for addressing a variety of neurophysiological and behavioral issues...
  20. pmc Does the 'P300' speller depend on eye gaze?
    P Brunner
    BCI R and D Program, Wadsworth Center, New York State Department of Health, Albany, NY, USA
    J Neural Eng 7:056013. 2010
    ..The applicability of these findings to people with severe neuromuscular disabilities (particularly in eye-movements) remains to be determined...
  21. ncbi request reprint The interaction of a new motor skill and an old one: H-reflex conditioning and locomotion in rats
    Yi Chen
    Laboratory of Nervous System Disorders, Wadsworth Center, New York State Department of Health, State University of New York, Albany, New York 12201, USA
    J Neurosci 25:6898-906. 2005
    ..They also suggest that H-reflex conditioning might be used to improve the abnormal locomotion produced by spinal cord injury or other disorders of supraspinal control...
  22. pmc Non-invasive brain-computer interface system: towards its application as assistive technology
    Febo Cincotti
    Laboratorio di Imaging Neuroelettrico e Brain Computer Interface, Fondazione Santa Lucia, IRCCS, Rome, Italy
    Brain Res Bull 75:796-803. 2008
    ..We conclude that such a prototype system, which integrates several different assistive technologies including a BCI system, can potentially facilitate the translation from pre-clinical demonstrations to a clinical useful BCI...
  23. ncbi request reprint BCI meeting 2005--workshop on technology: hardware and software
    Febo Cincotti
    Fondazione Santa Lucia, 00179 Rome, Italy
    IEEE Trans Neural Syst Rehabil Eng 14:128-31. 2006
    ..The main conclusion was recognition of the need to focus technical requirements on the users' needs and the need for consistent standards in BCI research...
  24. ncbi request reprint The BCI Competition 2003: progress and perspectives in detection and discrimination of EEG single trials
    Benjamin Blankertz
    Fraunhofer FIRST IDA, D 12489 Berlin, Germany
    IEEE Trans Biomed Eng 51:1044-51. 2004
    ..Researchers worldwide tested their algorithms and competed for the best classification results. This paper describes the six data sets and the results and function of the most successful algorithms...
  25. pmc Towards an independent brain-computer interface using steady state visual evoked potentials
    Brendan Z Allison
    GSU BrainLab, Computer Information Systems Department, Georgia State University, Atlanta, GA 30303, USA
    Clin Neurophysiol 119:399-408. 2008
    ..This study evaluates the hypothesis that overlapping stimuli can evoke changes in SSVEP activity sufficient to control a BCI. This would provide evidence that SSVEP BCIs could be used without shifting gaze...
  26. ncbi request reprint Electrocorticographic frequency alteration mapping: a clinical technique for mapping the motor cortex
    Eric C Leuthardt
    Department of Neurological Surgery, University of Washington School of Medicine, Harborview Medical Center, Seattle, Washington, USA
    Neurosurgery 60:260-70; discussion 270-1. 2007
    ..We explore electrocorticographic signal alterations as they occur with activated regions of the motor cortex, as well as its potential in clinical brain mapping applications...
  27. ncbi request reprint The BCI competition. III: Validating alternative approaches to actual BCI problems
    Benjamin Blankertz
    Fraunhofer FIRST IDA, D 12489 Berlin, Germany
    IEEE Trans Neural Syst Rehabil Eng 14:153-9. 2006
    ..The paper describes the data sets that were provided to the competitors and gives an overview of the results...
  28. ncbi request reprint Electrocorticography-based brain computer interface--the Seattle experience
    Eric C Leuthardt
    Department of Neurological Surgery, School of Medicine, University of Washington, Seattle, WA 98104, USA
    IEEE Trans Neural Syst Rehabil Eng 14:194-8. 2006
    ..Additionally, we assess the relevant issues of the current experimental paradigm in light of their clinical constraints...
  29. ncbi request reprint A mu-rhythm matched filter for continuous control of a brain-computer interface
    Dean J Krusienski
    University of North Florida, Jacksonville, FL 32224, USA
    IEEE Trans Biomed Eng 54:273-80. 2007
    ..The results suggest that amplitude/phase coupling exists between the mu and beta bands during event-related desynchronization, and that an appropriate matched filter can provide improved performance...
  30. pmc An MEG-based brain-computer interface (BCI)
    Jurgen Mellinger
    Institute of Medical Psychology and Behavioral Neurobiology, MEG Center, University of Tubingen, Otfried Müller Str 47, 72076 Tubingen, Germany
    Neuroimage 36:581-93. 2007
    ..For a subgroup of three participants, we localized the origin of the amplitude modulated signal to the motor cortex. Our results suggest that an MEG-based BCI is feasible and efficient in terms of user training...
  31. ncbi request reprint A brain-computer interface using electrocorticographic signals in humans
    Eric C Leuthardt
    Department of Neurological Surgery, Barnes Jewish Hospital, St Louis, MO 63110, USA
    J Neural Eng 1:63-71. 2004
    ....
  32. ncbi request reprint Non-invasive brain-computer interface system to operate assistive devices
    Febo Cincotti
    Laboratorio di Imaging Neuroelettrico e Brain Computer Interface, Fondazione Santa Lucia, IRCCS, Rome, 00179, Italy
    Conf Proc IEEE Eng Med Biol Soc 2007:2532-5. 2007
    ....

Research Grants4

  1. BCI2000: SOFTWARE FOR BRAIN-COMPUTER INTERFACE RESEARCH
    Gerwin Schalk; Fiscal Year: 2007
    ..This project will greatly facilitate this development by improving and maintaining general-purpose BCI software and continuing to provide it to BCI research groups throughout the world. ..
  2. BCI2000: SOFTWARE FOR BRAIN-COMPUTER INTERFACE RESEARCH
    Gerwin Schalk; Fiscal Year: 2009
    ..This project will greatly facilitate this development by improving and maintaining general-purpose BCI software and continuing to provide it to BCI research groups throughout the world. ..