3 ms·
There is also another kind of movements, smooth pursuit movements where the eyes move smoothly following a target. While we use saccades when reading text, an s
by ristretto 15y ago
There is also another kind of movements, smooth pursuit movements where the eyes move smoothly following a target. While we use saccades when reading text, an smooth page animation would trigger them. That's why i find jerky animations annoying and disorienting
- lbarrow 15y agoRight. I thought about including a description of pursuit movement, but omitted it because I didn't think it came up frequently when viewing web pages. Humans actually have a whole bunch of special-case eye movement patterns, like the "catch-something heuristic" (http://en.wikipedia.org/wiki/Gaze_heuristic http://en.wikipedia.org/wiki/Gaze_heuristic), which we share with dogs! (http://www.mansfield.osu.edu/faculty/dshaffer/Shaffer%20Publication%20pdfs/Publications/Dogs%20Catching%20Frisbees.pdf http://www.mansfield.osu.edu/faculty/dshaffer/Shaffer%20Publ...)
- fferen 15y agoThat is awesome; thanks for the link! I always expected that we used a more complex algorithm, but this extremely simple one probably works just as well.