An illusion resulting from certain visual effects that cause a viewer to misunderstand or misinterpret what he or she actually sees.
Optical illusion
Visual impression
Central vision encompasses the rest of the visual field—areas that are visible, but that you’re not looking at directly.
Idea of geons is...
there are 24 basic shapes that we recognize.
they form the building blocks of all the objects we see and identify.
Both answers are correct
People recognize and react to faces on Web pages slower than anything else on the page (at least by those who are not autistic).
People recognize a drawing or object faster and remember it better if it’s shown in the canonical perspective.
People looking on the computer screen___________________________
tend to look at the center of the screen and avoid the edges.
tend to look at the top of the screen first and avoid the bottom part.
It is good idea of hover cues if you’re designing for a device that uses touch rather than a pointing device.
_______________________is a technology that allows you to see and record what a person is looking at, in what order, and for how long.
Peripheral vision
Eye tracking
Central vision
Chromostereopsis makes our eyes want to turn a 3D image into something 2D.
It is need a redundant coding scheme, for example, color and line thickness so that people who are color-blind will be able to decipher the code without needing to see specific colors.
There is no difference in cultural characteristics when choosing a color scheme, a good design is always outside of cultural traditions.
Choose the right statement
If you want items (pictures, photos, headings, or text) to be seen as belonging together, then put them in close proximity.
Put less space between items that don’t go together and more space between items that do.
If you want items (pictures, photos, headings, or text) to be seen as belonging together, don't put them in close proximity.
