Links

BCI in the News

• Nature Web Focus on BCI
• Computers obey brain waves of paralyzed, by Malcolm Ritter, The Associated Press, appearing in MSNBC News, April 6, 2005. Includes interactive atlas of parts of the brain.
• Meet the mind readers, Guardian Unlmited, Thursday, March 31, 2005
• Patients Put on Thinking Caps, by Kristen Philipkoski, Wired News, January 14, 2005.
• 'Brainwave' cap controls computer, BBC News, December 7, 2004. Here is Wolpaw, et al. article in PNAS.
• Scientists gingerly tap into brain's power, USA Today, Oct 11, 2004.
• With Tiny Brain Implants, Just Thinking May Make It So, by Andrew Pollack, NYT, April 13, 2004.
• Brown professor has developed technology he hopes will turn paralyzed patients' thoughts into action, By Carey Goldberg, Boston Globe Staff, 3/9/2004,
• CU device offers insight in brain at work, Denver Post, November 14, 2003; new whole-head MEG device in Denver, not about BCI.
• Devices that read human thought now possible, study says Brain implants could help severely disabled, by Carl T. Hall, San Francisco Chronicle, November 10, 2003.
• a story from the Boston Globe of November 6, 2003 about a new company named Cyberkinetics.
• Monkeys Control Robotic Arm With Brain Implants, Washington Post, Oct 13, 2003.
• I Think, Therefore I Communicate, By Lakshmi Sandha, in Wired News, July 30, 2003.
• A wheelchair steered by the brain, at MSNBC, describes the article Wheelchair moves at the speed of thought in New Scientist, July, 2003, about Jose Millan's work using neural nets to classify EEG during mental tasks to steer a Khepera robot. This work was also reported in Science, 24 Jan 2003.
• Communicating by Brain Waves, in Psychology Today, May/Jun 2003.
• the Fall, 2002 issue of the Outlook Magazine of the Colorado State University College of Natural Sciences describes our BCI project.

Introductory Material

• Brain-computer interfaces for communication and control, by Wolpaw, et al., 2002, Clinical Neurophysiology, vol. 113, issue 6, June 2002, pages 767-791.
• BCI2000: A General-Purpose Brain-Computer Interface (BCI) System, by Schalk, McFarland, Hinterberger, Birbaumer, and Wolpaw.
• Special Issue on BCI, of IEEE Transactions on Neural Systems and Rehabilitiation.

Error-Related Negativity

• Adaptive Brain Computer-Interface for Augmented Cognition and Action, lab at Columbia. Paper on using ERN is here. They also have interesting paper on linear methods.

Research Groups

• Wadsworth Center, in Albany, NY.
• Swiss Federal Institute of Technology (EPFL), Lausanne-Switzerland
• BCI project at Neil Squire Foundation,
• Berlin Brain-Computer Interface group, includes papers on common spatial patterns (CSP) for imagined movement tasks
• Rodrigo Quian Quiroga, at California Institute of Technology, works with nonlinear analysis of time series, including synchronization, wavelet decompostion and denoising. Includes code and data.

Industry

• Cyberkinetics, Inc., developing an implant for BCI, Foxboro, MA,
• Neural Signals, Inc., Atlanta, GA
• Brain Actuated Technologies, Inc., Yellow Springs, Ohio
• Guger Technologies, Graz, Austria

Devices

• The Psychomouse, at NIIT

BCI Applications

• Brain-Actuated Interaction, Millan, et al., Artificial Intelligence, Vol 159, issues 1-2, Nov 2004, pages 241-259,
• Temporal Analysis of EEG patterns in a bio-feedback based Brain Computer Interface, by David Starling. Games, including Pong. Uses autoregressive representation.

Data

• Artefact Database of the Sleep EEG, maintained by Alois Schl�gl.

Word recognition

• Brain-wave recognition of words, Suppes, P., Lu, Z.-L. & Han, B., Proceedings of National Academy of Science, USA, 94, 14965-14969, 1997.
• Brain-wave recognition of short sentences., Suppes, P, Han, B. & Lu, Z.-L., Proceedings of National Academy of Science, USA, 95, 15861-15866, 1998.

EEG in Patients

• Is there a Mind? Electrophysiology of Unconscious Patients, Kotchoubey, Lang, Bostanov, Birbaumer, News Physiol Sci 17: 38-42, 2002.

MSF, CCA, PLS, PCA, CSP, etc

• Generalizing Discriminant Analysis Using Generalized Singular Value Decomposition< Howland and Park, IEEE Trans. on Pattern Analysis and Machine Intelligence, vol. 26, no. 8, August 2004.
• Enhancing Brain-Computer Interfaces by Machine Learning Techniques, talk by Blankertz, et al.,
• Kernel PLS-SVC for Linear and Nonlinear Classification, ICML 2003. Compare CCA, PLS, PCA, SVM, for data including finger movement data.
• Partial least squares for discrimination. J Chemometrics. 2003 Mar;17:166-173.

Electrocorticographic Signals

• A brain-computer interface using electrocorticographic signals in humans, Leuthardt, Schalk, Wolpaw, and Ojemann, 2004 J. Neural Eng. 1 63-71.

Signal Processing

• Piotr Durka, Warsaw University, has papers and tutorial on his Directed Transfer Function.
• DSP Software at Rice University

Detecting Synchronization in Multiple Time Series

• Publications by Joydeep Bhattacharya, includes experiments with EEG. Discusses a nearest-neighbors approach and develops the "predictability improvement" method.
• Publications by Michael Rosenblum, on detecting phase locking in noisy data. Includes discussion of the difference between coherence and synchronization.
• Rodrigo Quian Quiroga, includes publications, data, and software. Compares methods based in mutual information, Hilbert transform, wavelets, and others using EEG.

Multiscale

• Multiscale evidence of multiscale brain communication, talk by Scott Makeig, May 2004.

Bayesian Methods

• Papers by Mathew Beal,
• Variational Bayes Site

Ethics

• Center for Cognitive Liberty & Ethics ,
• Some fear loss of privacy as science pries into brain, by Carey Goldberg, Boston Globe, 5/1/2003

Programming Tools

• Tutorial on moving from Matlab to C++ using uBlas, by James Knight,
• Tutorial on moving from R to C++ using uBlas, by Jeshua Bratman,
• Matwrap: a wrapper generator for matrix languages