Change Blindness is a perception phenomenon where theobserver does not notice a change in a visual stimilus. It was first studied as part of memory and eye movement studies, and became largely researched for its applications in eyewitness testimony and distractions white driving.
This common perception phenomenon can greatly influence your user’s experience. In interfaces, this means people often overlook changes in the design. It can affect error messages, or information in menus for example, and lead users to fail their tasks. Web users fail to notice errors or changes in products, or player can completely miss out on your games features.
So does your game suffer from change blindness?