Figure 4.

The role of optic flow on visually guided steering. A, Drivers are immersed in a simulated environment seen through a head-mounted display with integrated eye tracking. B, Exemplary view inside the virtual reality as participants attempt to keep their head centered within a parameterized and procedurally generated roadway. This image is superimposed with a computational estimate of optic flow indicated here as white arrows (Matthis et al., 2018). C, To assess the effect of cortical blindness on the visual perception of heading will require the development of computational models of visually guided steering that account for the blind field. For illustrative purposes, we have superimposed the results from a Humphrey visual field test on the participant's view at a hypothetical gaze location with approximate scaling (reprinted from Cavanaugh et al., 2015 with permission).