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Measuring vision using innate behaviours in mice with intact and impaired retina function

Research output: Contribution to Journal/MagazineJournal articlepeer-review

  • Riccardo Storchi
  • Jessica Rodgers
  • Maille Gracey
  • Franck P Martial
  • Jonathan Wynne
  • Sean Ryan
  • Carole J Twining
  • Timothy F Cootes
  • Rebecca Killick
  • Robert J Lucas
Article number10396
<mark>Journal publication date</mark>17/07/2019
<mark>Journal</mark>Scientific Reports
Number of pages25
Publication StatusPublished
<mark>Original language</mark>English


Measuring vision in rodents is a critical step for understanding vision, improving models of human disease, and developing therapies. Established behavioural tests for perceptual vision, such as the visual water task, rely on learning. The learning process, while effective for sighted animals, can be laborious and stressful in animals with impaired vision, requiring long periods of training. Current tests that that do not require training are based on sub-conscious, reflex responses (e.g. optokinetic nystagmus) that don't require involvement of visual cortex and higher order thalamic nuclei. A potential alternative for measuring vision relies on using visually guided innate defensive responses, such as escape or freeze, that involve cortical and thalamic circuits. In this study we address this possibility in mice with intact and degenerate retinas. We first develop automatic methods to detect behavioural responses based on high dimensional tracking and changepoint detection of behavioural time series. Using those methods, we show that visually guided innate responses can be elicited using parametisable stimuli, and applied to describing the limits of visual acuity in healthy animals and discriminating degrees of visual dysfunction in mouse models of retinal degeneration.