Linking Brain and Behavior States in Zebrafish Larvae Locomotion using Hidden Markov Models - Archive ouverte HAL
Pré-Publication, Document De Travail (Preprint/Prepublication) Année : 2024

Linking Brain and Behavior States in Zebrafish Larvae Locomotion using Hidden Markov Models

Résumé

Understanding how collective neuronal activity in the brain orchestrates behavior is a central question in integrative neuroscience. Addressing this question requires models that can offer a unified interpretation of multimodal data. In this study, we jointly examine video-recordings of zebrafish larvae freely exploring their environment and calcium imaging of the Anterior Rhombencephalic Turning Region (ARTR) circuit, which is known to control swimming orientation, recorded in vivo under tethered conditions. We show that both behavioral and neural data can be accurately modeled using a Hidden Markov Model (HMM) with three hidden states. In the context of behavior, the hidden states correspond to leftward, rightward, and forward swimming. The HMM robustly captures the key statistical features of the swimming motion, including bout-type persistence and its dependence on bath temperature, while also revealing inter-individual phenotypic variability. For neural data, the three states correspond to left- and right-lateral activation of the ARTR circuit, known to govern the selection of left vs. right reorientation, and a balanced state, which likely corresponds to the behavioral forward state. To further unify the two analysis, we exploit the generative nature of the HMM, using the neural sequences to generate synthetic trajectories whose statistical properties are similar to the behavioral data. Overall, this work demonstrates how state-space models can be used to link neuronal and behavioral data, providing insights into the mechanisms of self-generated action.
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Dates et versions

hal-04445557 , version 1 (08-02-2024)
hal-04445557 , version 2 (22-11-2024)

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  • HAL Id : hal-04445557 , version 2

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Mattéo Dommanget-Kott, Jorge Fernandez-De-Cossio-Diaz, Monica Coraggioso, Volker Bormuth, Rémi Monasson, et al.. Linking Brain and Behavior States in Zebrafish Larvae Locomotion using Hidden Markov Models. 2024. ⟨hal-04445557v2⟩
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