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Sensorimotor learning and control across timescales

Project description

Insights into the brain’s flexible interactions with the world

The range of movements that we can perform changes throughout our lives, yet the underlying brain mechanisms remain poorly understood. Key areas involved in movement control, such as the motor cortex and basal ganglia, perform functions that change as we learn new skills, perform well practiced ones or adapt them to new conditions. The ERC-funded SELECT project aims to record from and manipulate key sensorimotor areas of the brain as mice learn, execute and adapt challenging reaching and grasping movements. This investigation will define the evolving functions performed by these areas. The research will enhance our understanding of how the brain enables flexible interactions with the world, contributing to a systems-level understanding of movement disorders.

Objective

Our ability to move is acquired during development and continuously expanded and flexibly adapted during our lifetime. Yet, the details of how our brains endow us with malleable motor repertoires remain elusive. Lesion studies and observations in neurological patients have identified cortical and subcortical regions that are necessary for movement. Similar research inspired mapping specific behavioural functions (computations) onto specific brain regions. For example, accurate control of limb movement was associated with the motor cortex, and its invigoration with the subcortical nuclei of the basal ganglia. Yet, recent findings in animals paint a more complex picture. Evidence of partial compensation after some focal lesions suggest that different brain regions can perform similar computations. Besides, the contribution of a brain region to motor control may be surprisingly fluid: motor cortex lesions can have no effect when executing certain learnt skills, even if animals cannot learn those skills without it. These two pieces of data support my core hypothesis: the computations mediating movement are distributed across cortico-subcortical regions, and change fluidly as animals learn a new skill, execute it, or adapt it to new conditions. Recent theoretical and computational methods that I have helped establish, together with innovations in neural recording and manipulation techniques provide unprecedented access to the rapid, distributed and often simultaneous computations mediating behaviour. Armed with these advances, we will record from key cortico-basal ganglia regions (and beyond) as mice learn, perform, and adapt the same challenging skill. Detailed investigation of these unique datasets will help us define the evolving distributed computations these regions perform. This timely, multidisciplinary research will shed light into how our brains allow us to flexibly interact with the world and others, paving the way to a systems-level view of movement disorders.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

(opens in new window) ERC-2025-COG

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Host institution

FUNDACAO D. ANNA DE SOMMER CHAMPALIMAUD E DR. CARLOS MONTEZ CHAMPALIMAUD
Net EU contribution
€ 2 123 300,00
Address
AVENIDA BRASILIA, CENTRO DE INVESTIGACAO DA FUNDACAO CHAMPALIMAUD
1400-038 LISBOA
Portugal
Activity type
Research Organisations
Links
Total cost
€ 2 123 300,00

Beneficiaries (1)