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Neural computations and dynamics of flexible decision-making in mice

Project description

Understanding the mechanisms of flexible decision-making in the mice brain

Funded by the Marie Skłodowska-Curie Actions programme, the FLEXNEUROCOMP project will study decision variables at the behavioural and neural levels to understand the brain switching flexibility between them. The research will combine mice behavioural models with multiple decision variables and models of dynamical systems, employing electrophysiology and optogenetics to record and manipulate neuronal ensembles across multiple brain regions. The project aims to test the general hypothesis that the premotor cortex represents a reservoir of decision variables and flexibly routes the particular decision variable to motor regions. The results will provide an understanding of the neural mechanisms of individual variations in decision-making and the deviation of actions from normal behaviour, explaining diversity in human mental health.

Objective

Imagine that you have just rung at a doorbell and no one has answered the door. Is there anybody home? How many times should you ring? One simple solution is just to ring several more times and wait. Yet, to save time and make sure that no one is home, you could also consider whether there is a light inside the house or whether there is a car parked in front. Although such situations are ubiquitous in our daily life, relatively little is known about how different decisions are implemented in the brain and how they flexibly inform behavior. This proposal directly aims to characterize decision variables both at the behavioral and neural levels to understand how the brain flexibly switches between them. We will combine sophisticated mice behaviors that accommodate multiple decision variables with innovative models of dynamical systems, and leverage the latest progress in electrophysiology and optogenetics to record and manipulate large ensembles of neurons simultaneously across multiple brain regions. This work will test the overarching hypothesis that the premotor cortex, thought to implement the intention to act, is a reservoir of decision variables that flexibly routes the employed decision variable to motor regions. Our highly multidisciplinary team, which consists of the researcher with productive records in systems neuroscience, the supervisor who is a specialist in cognitive neuropsychology, and the secondment supervisor who is a renowned theoretical neuroscientist, is well armed to successfully carry this project. Our results should deliver a new conceptual framework for understanding adaptive behaviors and their neural bases. This project will also provide a direct window into the neural mechanisms underlying individual variations in decision making and how actions may depart from a healthy behavior when erroneous or maladaptive strategies are used, of relevance for explaining diversity in human behavior and mental health.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2021-PF-01

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Coordinator

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS
Net EU contribution
€ 124 505,36
Address
RUE MICHEL ANGE 3
75794 Paris
France
Region
Ile-de-France Ile-de-France Paris
Activity type
Research Organisations
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Total cost
No data

Participants (1)

Partners (1)