L y o n N e u ro s c ie n c e -...
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BCI Could Make Old Two-Player Games Even More Fun: A Proof of Concept with “Connect Four” Lyon Neuroscience Research Center Maby, Perrin, Bertrand, Sanchez & Mattout, Advances in Human-Comp. Inter., 2012 Brain dynamics and cognition team (DYCOG) Connect 4 Jérémie Mattout
Transcript of L y o n N e u ro s c ie n c e -...
BCI Could Make Old Two-Player Games Even More Fun: A Proof of Concept with “Connect Four”
Lyon Neuroscience
Research Center
Maby, Perrin, Bertrand, Sanchez & Mattout, Advances
in Human-Comp. Inter., 2012
Brain dynamics and cognition team (DYCOG)
Connect 4
Jérémie Mattout
Lyon Neuroscience
Research Center
Outline
Connect 4
• General principle • OpenViBE implementation • How interesting ?
Lyon Neuroscience
Research Center
General principle
• Similar to the well-known P300-speller Perrin et al., Graz BCI Int workshop 2014 (poster 102, Th) Thomas et al., Graz BCI Int workshop 2014 (poster 65, Th)
M N O P Q R
5 6 7 8 9 _
Y Z 1 2 3 4
S T U V W X
G H I J K L
A B C D E F
L
P300 Speller
0 250 500 ms
µV
Signal
processing
Non-Target
Lyon Neuroscience
Research Center
General principle
• Similar to the well-known P300-speller Perrin et al., Graz BCI Int workshop 2014 (poster 102, Th) Thomas et al., Graz BCI Int workshop 2014 (poster 65, Th)
0 250 500 ms
µV
M N O P Q R
5 6 7 8 9 _
Y Z 1 2 3 4
S T U V W X
G H I J K L
A B C D E F
L
P300 Speller
Signal
processing
~300 ms
Target
Lyon Neuroscience
Research Center
General principle
Lyon Neuroscience
Research Center
OpenViBE implementation
TCP/IP
Parallel port
VRPN
Lyon Neuroscience
Research Center
OpenViBE implementation
VRPN Software Tagging*
* Module provided by OV
Lyon Neuroscience
Research Center
OpenViBE implementation
P2 P1
Acquisition
DownSampling
Temporal Filtering
Python Box
VRPN Server
Channel selection Channel selection
Spatial Filtering Spatial Filtering
Epoch.
Stim . Col#7
Epoch.
Stim . Col#6
Epoch.
Stim . Col#5
Epoch.
Stim . Col#4
Epoch.
Stim . Col#3
Epoch.
Stim . Col#2
Epoch.
Stim . Col#1
Epoch.
Stim . Col#7
Epoch.
Stim . Col#6
Epoch.
Stim . Col#5
Epoch.
Stim . Col#4
Epoch.
Stim . Col#3
Epoch.
Stim . Col#2
Epoch.
Stim . Col#1
Likelihood
Compute
Likelihood
Compute
Fe = 100 Hz
Bandpass filter 1 – 20 Hz
Bayesian classifier
Probabilities processing
Results sent to the stimulator
XDAWN Algorithm *
* Rivet et al., IEEE TBME 2009
Lyon Neuroscience
Research Center
How interesting ?
• 2 player game
• Do not aim to replace a fast and precise motor command
• For both patients and healthy subjects • Turn the imperfection of the BCI command into a plus
• Relies on attentional effort
• Allows for extending the game play
Lyon Neuroscience
Research Center
How interesting ?
Lyon Neuroscience
Research Center
How interesting ?
Maby, Perrin, Bertrand, Sanchez & Mattout, Advances
in Human-Comp. Inter., 2012
Project Mind Your Brain (2014 – 2017): Attentional training and clinical trial in ADHD
Open 2-years postdoctoral position at CRNL
Lyon Neuroscience
Research Center
Acknowledgments
Gaëtan Sanchez Emmanuel Maby Margaux Perrin
OpenViBE & OpenViBE 2 (Lead: Anatole Lecuyer, INRIA) CoAdapt (Lead: Maureen Clerc, INRIA)
GIPSA-Lab, Grenoble Hubert Cecotti Marco Congedo Christian Jutten Bertrand Rivet
INRIA, Sophia-Antipolis Maureen Clerc Dieter Devlaminck Théo Papadopoulo Eoin Thomas
Mensia Tech. Louis Mayaud Yann Renard
LNC, CNRS, Marseille Boris Burle Laurence Casini Matthew Dyson Franck Vidal
Henesis, Parma Pouya Ahmadian Luca Ascari
CRNL – DYCOG team Olivier Bertrand Aline Bompas Romain Bouet Lesly Fornoni Françoise Lecaignard Dominique Morlet Anatole Otman
INRIA, Rennes Anatole Lecuyer
