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Neuronal computations and population dynamics in the Cerebellar Nuclei during motor behaviours

Objective

Motor control involves many brain structures, handling different behavioural aspects such as planning, learning and execution of movements. In vertebrates, while downstream structures such as motor nuclei in the brainstem seem to encode simple stereotyped movements, other structures such as the motor cortex seem to encode higher level aspects of motricity such as goal oriented complex movements. The cerebel-lum, a key structure for movement coordination and motor learning is extensively connected to higher struc-tures such as the neocortex, but also to brainstem nuclei controlling simple movements. How the cerebel-lum influences downstream structures depends on the computations occurring in its output layer, the Cere-bellar Nuclei (CN), which integrates information from the cerebellar cortex and from extracerebellar inputs. However, these integration mechanisms and population coding in the CN are not well understood, because technological and experimental difficulties have limited the study of CN processing rules both at the cellu-lar and at the population level. CereCode will address unanswered fundamental questions that undermine our understanding of cerebellar-dependent motor control. 1) What is the functional connectivity in the CN network and how are sensorimotor inputs from different parts of the brain integrated? 2) How are CN sen-sorimotor computations represented at the population level? Are there functional modules controlling ste-reotyped movements or are different tasks encoded within the same population? 3) What is the individual role of the different extracerebellar inputs during behaviour? CereCode will address these issues combining recent discoveries in CN neurophysiology, viral strategies, optogenetics, and a new imaging tools that I developed based on 3D-two-photon acousto-optic-lens imaging and GRIN lenses, shining light on the neu-ral code of an essential brain structure.

Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

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HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

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(opens in new window) ERC-2021-STG

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Host institution

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 1 499 038,00
Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 1 499 038,00

Beneficiaries (1)

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