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Clinical Neuroprosthetics and Brain Interaction LabCNBI Lab

 

 

BID

Brain-Coupled Interactive Devices

Despite important advances on computing systems, humans outperform artificial systems in tasks such as image analysis and visual recognition. However, human processing cannot cope with the increasing amount of multimodal data that is generated nowadays, requiring the use of automatic processing systems. In this project we propose the design of “Brain-coupled Interactive devices” that will combine machine learning techniques with the human cognitive ability to perform such tasks.

These devices will use brain activity –as measured by scalp electroencephalography (EEG)– to extract information about human cognitive processes such as visual processing, pattern matching or error detection. This approach contrasts with traditional research on Brain-Computer Interfaces (BCI) that attempt to translate human intentions into control signals based on the recognition of voluntary modulation of brain rhythms.

The design of these interactive devices require advanced processing techniques that allows for real time recognition of brain electrical activity in single-trials. To this end, and based on existing techniques aimed at the estimation of the internal neural sources of scalp EEG potentials, we will develop classification techniques that not only achieve localization of neural sources, but also maximize the discriminability of EEG signals corresponging to different experimental conditions (e.g., related to different cognitive processes). This approach may allow for the design of reliable BCI systems and, at the same time, provide localization of the neural structures involved in human cognitive processes. These information can, in turn, be used to assess consistency with previous neurophysiological and imaging studies.

The use of these techniques for the recognition of human cognitive processes allows the “Brain-Coupled Interactive Devices” to successfully involve the human user into a closed-loop that aimed at the efficient processing of multimodal, machine generated information.

Keywords: electroencephalography, human-machine interaction, signal processing, machine learning.

Publications

Journal Publication

Ušćumlić M., Chavarriaga R., Millán J.d.R. (2013). An iterative framework for EEG-based image search: Robust retrieval with weak classifiers. PLOS One, 8(8):e72018.

Conference Papers

Goel M.K., Chavarriaga R., Millán J.d.R. (2017). Inverse solutions for brain-computer interfaces: Effects of regularisation on localisation and classification. IEEE SMC. Banff, Canada.

Goel M.K., Chavarriaga R., Millán J.d.R. (2014). Comparing BCI performance using scalp EEG- and inverse solution-based features. 6th Brain-Computer Interface Conf. 2014. Graz, Austria.

Ušćumlić, Chavarriaga R., Millán J.d.R. (2013). Iterative EEG-based natural image search under RSVP. 5th Int. BCI Meeting. Asilomar, USA.

Goel M., Chavarriaga R., Millán J.d.R. (2011). Cortical vs surface EEG for event related potentials-based brain-computer interfaces. 5th Int. IEEE EMBS Conf. Neural Engineering. Cancún, México.

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Latest News

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Latest Publications

Alawieh H, Liu D, Madera J, Kumar S, Racz FS, Fey AM, Del R Millán J. Electrical Spinal Cord Stimulation Promotes Focal Sensorimotor Activation that Accelerates Brain-computer Interface Skill Learning. Proc Natl Acad Sci U S A. 2025 Jun 17;122(24):e2418920122.

Racz FS, Kumar S, Kaposzta Z, Alawieh H, Liu DH, Liu R, Czoch A, Mukli P, Millán JDR. Combining Detrended Cross-Correlation Analysis with Riemannian Geometry-based Classification for Improved Brain-computer Interface Performance. Front Neurosci. 2024 Mar 14;18:1271831.

Kumar S, Alawieh H, Racz FS, Fakhreddine R, Millán JDR. Transfer Learning Promotes Acquisition of Individual BCI Skills.PNAS Nexus, Volume 3, Issue 2, February 2024, page076.

Iwane F, Billard A, Millán JDR. Inferring Individual Evaluation Criteria for Reaching Trajectories with Obstacle Avoidance from EEG Signals. Sci Rep. 2023 Nov 17;13(1):20163.

S. Kumar S. Kumar, D. H. Liu, F. S. Racz, M. Retana, S. Sharma, F. Iwane, B. P. Murphy, R. O’Keeffe, S. F. Atashzar, F. Alambeigi, J. del R. Millán. CogniDaVinci: Towards Estimating Mental Workload Modulated by Visual Delays During Telerobotic Surgery – An EEG-based Analysis. 2023 IEEE International Conference on Robotics and Automation (ICRA), London, United Kingdom, 2023, pp. 6789-6794.


For a complete list of publications go to our Publications page!

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