PFI and MIB are two phenomena of perceptual blindness in which perceptually salient target repeatedly disappear and reappear in the background after prolonged viewing.

• 摘要:知觉填补（PFI）与运动引发视盲（MIB）是两种具有类似特性的知觉消失现象：注视包含目标物与背景的画面一段时间，目标物会消失、再现，如此重复好几次。