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On the potential role of lateral connectivity in retinal anticipation

Abstract : We analyse the potential effects of lateral connectivity (amacrine cells and gap junctions) on motion anticipation in the retina. Our main result is that lateral connectivity can-under conditions analysed in the paper-trigger a wave of activity enhancing the anticipation mechanism provided by local gain control [8, 17]. We illustrate these predictions by two examples studied in the experimental literature: differential motion sensitive cells [1] and direction sensitive cells where direction sensitivity is inherited from asymmetry in gap junctions connectivity [73]. We finally present reconstructions of retinal responses to 2D visual inputs to assess the ability of our model to anticipate motion in the case of three different 2D stimuli.
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Contributor : Selma Souihel Connect in order to contact the contributor
Submitted on : Monday, January 11, 2021 - 2:22:05 PM
Last modification on : Wednesday, January 13, 2021 - 3:38:16 AM


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Selma Souihel, Bruno Cessac. On the potential role of lateral connectivity in retinal anticipation. Journal of Mathematical Neuroscience, BioMed Central, 2021, 11, ⟨10.1186/s13408-020-00101-z⟩. ⟨hal-02929183v2⟩



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