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[Archimedes Seminar Series] Bridging Minds to Machines: Current Challenges in Brain-Machine Interface Technology

Dates
2024-07-19 12:00 - 14:00
Venue
Artemidos 1 - Amphitheater

 

Archimedes Seminar Series: Bridging Minds to Machines: Current Challenges in Brain-Machine Interface Technology

Prof. Nicholas Hatsopoulos

Professor at the University of Chicago

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Abstract: A fundamental challenge in developing useful brain machine interfaces (BMIs) is to augment BMIs with kinesthetic and tactile feedback. We have attempted to provide kinesthetic feedback by using cortically-controlled exoskeletal robots to provide naturalistic kinesthetic feedback. This approach could be practical for subjects with residual sensation which is common in spinal cord-injured patients. To provide tactile feedback, we are using electrical stimulation of somatosensory cortex (S1) to deliver artificial tactile feedback. While successful in providing localized tactile percepts, we have documented that electrical stimulation in S1 can disrupt BMI decoding from motor cortex due to anatomical connections between these two areas. I will present our attempt to address this challenge.

Bio: Nicholas G. “Nicho” Hatsopoulos, Ph.D. is currently a Professor at the University of Chicago. Dr. Hatsopoulos was also Chairman of the Computational Neuroscience graduate program from 2008-2015. Dr. Hatsopoulos completed two postdoctoral research fellowships, one in the Department of Neuroscience at Brown University and the other in the Computational Neuroscience Program at the California Institute of Technology. Dr. Hatsopoulos completed his B.A. in Physics from Williams College in 1984, his M.S. in Psychology in 1991 and his Ph.D. in Cognitive Science from Brown University in 1992. In 2001, he co-founded a company, Cyberkinetics Neurotechnology Systems, which took the basic scientific research he and his colleagues conducted to develop neural prosthesis technology to assist people with severe motor disabilities. His research focuses on the neural basis of motor control and learning. He is investigating what features of motor behavior are encoded and how this information is represented in the collective activity of neuronal ensembles in the motor cortex. He is also interested in how these representations change as motor learning occurs. To answer these questions, the electrical discharge of many motor cortical neurons is simultaneously recorded using multi-electrode arrays and correlated with motor behavior. The encoding properties of individual motor cortical neurons are being studied to determine how these single cell properties relate to higher-order representations involving groups of neurons. The possibility that changes in functional connectivity among neurons may occur during motor learning is also being explored.

 

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Vision

To position Greece as a leading player in AI and Data Science

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Mission

To build an AI Excellence Hub in Greece where the international research community can connect, groundbreaking ideas can thrive, and the next generation of scientists emerges, shaping a brighter future for Greece and the world

 

Welcome to ARCHIMEDES, a vibrant research hub connecting the global AI and Data Science research community fostering groundbreaking research in Greece and beyond. Its dedicated core team, comprising lead researchers, affiliated researchers, Post-Docs, PhDs and interns, is committed to advancing basic and applied research in Artificial Intelligence and its supporting disciplines, including Algorithms, Statistics, Learning Theory, and Game Theory organized around 8 core research areas. By collaborating with Greek and Foreign Universities and Research Institutes, ARCHIMEDES disseminates its research findings fostering knowledge exchange and providing enriching opportunities for students. Leveraging AI to address real-world challenges, ARCHIMEDES promotes innovation within the Greek ecosystem and extends its societal impact. Established in January 2022, as a research unit of the Athena Research Center with support from the Committee Greece 2021, ARCHIMEDES is funded for its first four years by the EU Recovery and Resilience Facility (RRF).

 
 

NEWS

 
6 Accepted Papers at ICLR 2026

6 Accepted Papers at ICLR 2026

11 March 2026

The Archimedes research unit of the Athena Research Center in Greece has six papers accepted at this year's International Conference on Learning Representations (ICLR) gathering, including one oral presentation. The acceptance rate for posters was about 25,8% and about 1,1% for oral presentations.  Please bear in mind that ICLR, along with NeurIPS and ICML, is considered one of the three top-tier artificial intelligence and machine learning conferences in the world.

Former Archimedes Intern Receives the EETN Best Doctoral Thesis Award for 2025

Former Archimedes Intern Receives the EETN Best Doctoral Thesis Award for 2025

9 March 2026

Georgios Papasotiropoulos, a former intern of the Archimedes unit of the Athena Research Center, Greece, received the Hellenic Artificial Intelligence Society's (EETN) Best Doctoral Thesis Award for the year 2025. His doctoral thesis was on "Algorithmic and Game-Theoretic Aspects of Computational Social Choice" and his supervisor was Vangelis Markakis, a Professor at the Department of Informatics of the Athens University of Economics & Business (AUEB), Greece and a Lead Researcher at the Archimedes research unit in AI, Data Sciences, and Algorithms of the Athena Research Center in Athens, Greece.

Archimedes Seminar by Nikos Paragios on

Archimedes Seminar by Nikos Paragios on "Seeing the Invisible - Doing the Impossible: AI-powered diagnosis, treatment and beyond"

12 February 2026

On Monday 16 February, 2026, from 2:00 pm to 3:30 pm, at the Archimedes Amphitheatre (1 Artemidos Street, 15125, Marousi, Archimedes, Athena Research Center, Greece), Professor Nikos Paragios, Distinguished Professor of Mathematics, University of Paris-Saclay, France, and Chief Executive and Technical Officer, TheraPanacea, Paris, France, will deliver an Archimedes Seminar on "Seeing the Invisible - Doing the Impossible: AI-powered diagnosis, treatment and beyond".

Τhe Ambassador of Australia to Greece visits Archimedes!

Τhe Ambassador of Australia to Greece visits Archimedes!

11 February 2026

On Wednesday, 11 February 2026, the Ambassador of Australia to Greece, Mrs. Alison Duncan, visited the Archimedes Research Unit at the Athena Research Center in Greece and had a very productive meeting with Professor Timos Sellis, Director of the Archimedes Research Unit.

Archimedes AGT Afternoon Event (ΑAGTA) will take place on 4 February 2026 at Archimedes premises

Archimedes AGT Afternoon Event (ΑAGTA) will take place on 4 February 2026 at Archimedes premises

2 February 2026

Archimedes AGT Afternoon Event (ΑAGTA) is a newly-established scientific event, focusing on Algorithmic Game Theory and Artificial Intelligence. The first AAGTA workshop will take place on 4 February 2026 at the Archimedes Amphitheatre at Archimedes Unit, Athena Reseach Center, Greece, and will feature two keynote speeches: one by Prof. Paul Goldberg of the University of Oxford, UK, and one by Prof. Christos Papadimitriou of Columbia University, USA and Archimedes Unit, Athena Reseach Center, Greece.

More news items here
 
 

The project “ARCHIMEDES Unit: Research in Artificial Intelligence, Data Science and Algorithms” with code OPS 5154714 is implemented by the National Recovery and Resilience Plan “Greece 2.0” and is funded by the European Union – NextGenerationEU.

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