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Eye to Action

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Tracing Visual Computations from the Retina to Behavior

Every second, millions of bits of information enter our eyes. How does the brain identify task-relevant information from this gigantic input stream? This key challenge of the visual system is tackled by substantially processing th... ver más

31/12/2029

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

EBERHARD KARLS UNIVERSITAET TUEBINGEN No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2023-12-20

ERC-2023-STG: ERC STARTING GRANTS Scope:Objectives

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Cerrada hace 2 años

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1 Participantes

1.87M€ | Lider

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Duración del proyecto: 72 meses Fecha Inicio: 2023-12-20
Fecha Fin: 2029-12-31

Líder del proyecto

EBERHARD KARLS UNIVERSITAET TUEBINGEN No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 2M€

Descripción del proyecto Every second, millions of bits of information enter our eyes. How does the brain identify task-relevant information from this gigantic input stream? This key challenge of the visual system is tackled by substantially processing the sensory input for behavioral relevance. Already in the retina, the front-end of the visual system, neuronal circuits extract multiple features from the environment and form up to 40 channels to the brain. So far, however, one of the basic principles underlying vision, namely how the brain processes these multiple channels from the eye, remains fundamentally unclear. In this proposal, I will focus on the superior colliculus, an evolutionary conserved retino-recipient brain area critically involved in visuomotor transformations, and solve the following problem: How do neuronal circuits in mouse superior colliculus integrate retinal signals to drive behavior? I will implement an interdisciplinary approach that combines population imaging of neuronal activity in behaving mice with optogenetic manipulations, deep neural network modeling, and quantitative behavioral analysis. By modeling a defined brain area all the way from the retinal input to its role in behavior in an ecological setting, I will mechanistically dissect the behavioral relevance of retinal circuits. My work will uncover general principles of how diverse retinal channels are represented in downstream targets, identify elemental convergence rules of feedforward retinal signals in postsynaptic neurons, and causally link retinal function to distinct behaviors. If successful, my proposal will reveal fundamental neuronal and computational mechanisms used by the visual system to convert a complex visual input into action. My approach can be adapted to other sensory modalities, guiding the design of innovative experiments and analyses. The identified mechanisms of efficient information processing will also contribute to the development of robust neuro-inspired artificial intelligence.

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