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Communication Dans Un Congrès Année : 2023

Comparative study of the synfire chain and ring attractor model for timing in the premotor nucleus in male Zebra Finches

Résumé

Timing is crucial for the generation of a wide range of sen- sorimotor tasks. However, the underlying mechanisms remain unclear. In the order of milliseconds, premotor nucleus HV C (proper name) in male zebra finches is an outstanding model in studying the sequential neuronal activity encoding action timing. Current computational models of HV C rely on the synfire chains, which are not robust to noise and function for a narrow range of weights. An alternative with robust functional properties [11][5] are attractors. Here, we compare the two models and show that not only the ring attractor is more robust, but can also reproduce the brief activity bursts of HV C neurons.

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Fjola Hyseni, Nicolas P. Rougier, Arthur Leblois. Comparative study of the synfire chain and ring attractor model for timing in the premotor nucleus in male Zebra Finches. ESANN 2023 - The 31 European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning, Oct 2023, Bruges/ Hybrid, Belgium. pp.647-652, ⟨10.14428/esann/2023.ES2023-120⟩. ⟨hal-04218404⟩

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