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News - 2020

Oct 25, 2020

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New preprint

How do the cortex and the basal ganglia share labor during decision and action?

With Jean-Francois Cabana, Albert Feghaly and Paul Cisek we analyzed population activity from PMd, M1, dlPFC, GPe and GPi in two monkeys performing a decision task.

We applied a dimensionality reduction technique (PCA) on the activity of neurons to extract patterns of response covariation shared by the population and to relate them to task-relevant variables.

We show that decisions about actions involve a unified dynamical attractor system distributed across the cortex and basal ganglia.


Jul 20, 2020

New publication

Please check out the second paper of the lab, published in the Journal of Neurophysiology. The study, led by Dr. Amelie Reynaud, shows an interesting phenomenon: human subjects tend to sacrifice their decisions when the movement they have to produce to report these choices are demanding in terms of accuracy. Data also suggest that there is no one single invigoration signal coordinating decision and action durations, but instead independent, yet interacting, urgency and vigor signals.


Feb 02, 2020

New publication

Please check out the latest paper published in the Journal of Neurophysiology describing an ICMS experiment performed in Montreal with Paul Cisek. We show that stimulation of monkey PMd and, to  lesser extend, M1 delays the commitment to an action choice:

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Jan 16, 2020

New publication

The first paper of the lab is out !!! Check it out !

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News - 2019

Oct 30, 2019

Material update

Setup of the monkey lab in progress. Animals' training phase on the task about to start !

Oct 22, 2019


Sep 24, 2019

Material update

The EyeLink 1000 Plus just arrived ! Installation and calibration in progress. The goal is to accurately monitor monkeys' eye position and pupil size during decision making and movement execution.

Sep 04, 2019

Material update

The monkey restraint chair just arrived ! Animals' habituation phase about to start !!! 

Aug 15, 2019

Material update

Thank you very much to Dr. Karen Reilly (CRNL-Impact) for letting me her IM and surface EMG recording system (Grass QP511) ! Great tool to accurately measure reaching movement onset and vigor.

Also, by looking at old material in the unit, I came across this beautiful Grass S88 2 channel stimulator!


Apr 28, 2019


Very pleased to contribute to the upcoming workshop on Cognitive Control and Performance Monitoring - In memory of Laurence Questienne




I will be giving a talk entitled:

Neural correlates of action decisions in a cortico-basal ganglia network

June 14, 2019 - 17.50 pm

Oostduinkerke, Belgium

Please check the full program


Apr 05, 2019

Upcoming talk:

Selection and invigoration of behavior: a role for the cortico-basal ganglia network

Friday, April 05, 2019, 12pm

Laboratoire de Neurosciences Cognitives et Computationnelles

Inserm - Ecole Normale Supérieure

29, rue d’Ulm, 75005 Paris


Mar 28-29, 2019

Insightful 2-retreat for the new Auvergne-Rhône-Alpes Inserm researchers in the beautiful domain Les Pensieres, a property belonging to the Merieux family in Veyrier-du-Lac


Jan 22, 2019

I'm hiring ! Please take a look at the official advertisement and feel free to contact me with any questions !


News - 2018

Nov 16, 2018

The setup for the human experiments is ready !

A few software-related issues to fix, the ethical protocol to submit and wait for approval and experiments will begin. Expected date: January 2019


Oct 25, 2018

Lab setup in progress:

The office is almost complete, including brand new desk and computers !

The monkey ephy room is here, only needs some cleaning and then we'll start setting equipment up.

At the same time I'm working on an experimental setup dedicated to human subjects. Objective: cross-species comparison and fine-tuning of task parameters for monkey experiments


September, 2018

Please check out this book  chapter in which Paul Cisek and I summarize our recent work on the role of the PMd/M1-BG circuit during decision between actions, propose a way to map neural circuits and decision types and finally speculate on the respective functions of cortex and BG during goal oriented behavior.


April 6 & 7, 2018

Great speakers and attendees, cool conversations and beautiful weather at the "Probabilities and Optimal Inference to Understand the Brain" workshop in Marseille.

Thanks to the organizers for putting together this great event !


Régulation du compromis vitesse-précision pendant la prise de décision et l’exécution motrice : théorie, comportement et bases neuronales

Jeudi, 18 Janvier, 2018 à 10:30


Université du Québec à Montréal

Salle PK-5115, Pavillon Président-Kennedy (PK)
201, avenue du Président-Kennedy, H2X 3Y7

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