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Freely-moving mice visually pursue prey using a retinal area with least optic flow

MPS-Authors
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Holmgren,  Carl D.       
Department of Behavior and Brain Organization, Center of Advanced European Studies and Research (caesar), Max Planck Society;

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Stahr,  Paul
Department of Behavior and Brain Organization, Center of Advanced European Studies and Research (caesar), Max Planck Society;

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Wallace,  Damian J       
Department of Behavior and Brain Organization, Center of Advanced European Studies and Research (caesar), Max Planck Society;

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Voit,  Kay-Michael
Department of Behavior and Brain Organization, Center of Advanced European Studies and Research (caesar), Max Planck Society;

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Matheson,  Emily Jane
Department of Behavior and Brain Organization, Center of Advanced European Studies and Research (caesar), Max Planck Society;

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Sawinski,  Jürgen       
Department of Behavior and Brain Organization, Center of Advanced European Studies and Research (caesar), Max Planck Society;

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Bassetto,  Giacomo
Department of Behavior and Brain Organization, Center of Advanced European Studies and Research (caesar), Max Planck Society;

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Kerr,  Jason N. D.       
Department of Behavior and Brain Organization, Center of Advanced European Studies and Research (caesar), Max Planck Society;

External Resource

https://www.biorxiv.org/content/10.1101/2021.06.15.448520v1.full
(Preprint)

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Citation

Holmgren, C. D., Stahr, P., Wallace, D. J., Voit, K.-M., Matheson, E. J., Sawinski, J., et al. (2021). Freely-moving mice visually pursue prey using a retinal area with least optic flow. bioRxiv: the preprint server for biology, 448520. doi:10.1101/2021.06.15.448520.


Cite as: https://hdl.handle.net/21.11116/0000-000A-29EA-1
Abstract
Mice have a large visual field that is constantly stabilized by vestibular ocular reflex driven eye rotations that counter head-rotations. While maintaining their extensive visual coverage is advantageous for predator detection, mice also track and capture prey using vision. However, in the freely moving animal quantifying object location in the field of view is challenging. Here, we developed a method to digitally reconstruct and quantify the visual scene of freely moving mice performing a visually based prey capture task. By isolating the visual sense and combining amouse eye optic model with the head and eye rotations, the detailed reconstruction of the digital environment and retinal features were projected onto the corneal surface for comparison, and updated throughout the behavior. By quantifying the spatial location of objects in the visual scene and their motion throughout the behavior, we show that the image of the prey is maintained within a small area, the functional focus, in the upper-temporal part of the retina. This functional focus coincides with a region of minimal optic flow in the visual field and consequently minimal motion-induced image blur during pursuit, as well as the reported high density-region of Alpha-ON sustained retinal ganglion cells.