Science can be lots of fun, especially when you design novel stimuli to challenge the visual system. Take a breath and get into the tunnel !

Here's an infinite tunnel where you move along the axis, with some perturbations to the center of your gaze with respect to the focus of expansion. It's serious though! Think of having to orient yourself with that optic flow and how difficult life may be without this feat!

Code : https://laurentperrinet.github.io/sciblog/posts/2025-04-24-orienting-yourself-in-the-visual-flow.html

#vision #neuroscience #opticflow