What is another word for After-image?
Pronunciation: [ˈaftəɹˈɪmɪd͡ʒ] (IPA) 
An "after-image" refers to a visual sensation that persists even after the original stimulus has been removed. There are various synonyms for this phenomenon such as retinal persistence, visual persistence, luminous impression, and ghost image. These terms all describe the same experience of seeing an image or perception after the stimulus has been removed. Some other related terms include negative after-image, where the image is perceived in the opposite colors of the original stimulus, and positive after-image, which is when the same colors are perceived. Regardless of the term used, the after-image phenomenon can be a fascinating and intriguing aspect of the human visual system.
