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The cerebellum: a transdiagnostic personalised target for neuromodulation in psychiatry

Objective

Have you ever had that moment where you reach for something, convinced it is heavy, but it is actually light? Your arm jolts upward, correcting itself before you realise the difference. This split second adjustment is thanks to your cerebellum, the part of your brain responsible for fine-tuning movements by integrating sensory feedback. While the cerebellum is traditionally associated with motor control, it plays a similar role in cognitive functions. Despite occupying 10% of the brain’s volume, the cerebellum houses more than 50% of its neurons, many of which are integral to higher cognitive processes. Its extensive connections with brain regions responsible for complex thought and emotion make it a promising target for non-invasive brain stimulation (NIBS) especially in addressing the resistant cognitive and negative symptoms observed in psychiatric disorders such as schizophrenia, bipolar disorder, and autism. However, a significant challenge persists: clinical research on NIBS often relies on a trial-and-error approach, while fundamental research has yet to fully translate electrophysiological findings into circuit-level applications that can guide clinical interventions. To bridge this gap, I will develop normative models from large-scale MRI cohorts to identify patients who are most likely to benefit from cerebellar stimulation and then derive a personalised cerebellar target. Concurrently, animal studies using ultra-high field MRI will be conducted to determine optimal cerebellar stimulation parameters. With intracranial recordings, I will explore the neuroplastic changes induced by NIBS in humans. The project will culminate in a proof-of-concept clinical trial aiming at improving cognitive and negative symptoms across schizophrenia, bipolar disorder and autism with cerebellar NIBS. This multidisciplinary project has the potential to revolutionize the treatment of resistant psychiatric symptoms and catalyse advancements in the understanding of NIBS.

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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-2025-STG

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Host institution

UNIVERSITE PARIS XII VAL DE MARNE
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.

€ 1 085 000,00
Address
AVENUE DU GENERAL DE GAULLE 61
94010 Creteil
France

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Region
Ile-de-France Ile-de-France Val-de-Marne
Activity type
Higher or Secondary Education Establishments
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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.

€ 1 085 000,00

Beneficiaries (2)

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