Seeing the world through moving photoreceptors - binocular photomechanical microsaccades give fruit fly hyperacute 3D-vision
Schedule
Monday, August 1, 2022
15:00 UTC
Mikko Juusola
Prof
University of Sheffield
Host: Sussex Visions
Recording
Open recording
Event Information
Recording
Available
Host
Sussex Visions
Duration
70 minutes
Abstract
To move efficiently, animals must continuously work out their x,y,z positions with respect to real-world objects, and many animals have a pair of eyes to achieve this. How photoreceptors actively sample the eyes’ optical image disparity is not understood because this fundamental information-limiting step has not been investigated in vivo over the eyes’ whole sampling matrix. This integrative multiscale study will advance our current understanding of stereopsis from static image disparity comparison to a morphodynamic active sampling theory. It shows how photomechanical photoreceptor microsaccades enable Drosophila superresolution three-dimensional vision and proposes neural computations for accurately predicting these flies’ depth-perception dynamics, limits, and visual behaviors.
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