Figure 1.

Example recordings from two visual tasks, reading and walking. (a) Different measurements of visual behavior in one subject during the reading task. From top to bottom, horizontal eye movements, vertical eye movements, fixation distance, pupil diameter, blink raster, foveal pixel intensity, peripheral pixel intensity, head yaw velocity, head roll velocity, head pitch velocity, head yaw acceleration, head roll acceleration, and head pitch acceleration. (b) Same for walking task.