Question

What are the images that occur when a visual sensation persists for a brief time even after the original stimulus are removed?

Answer 1

Answer:

afterimage

Explanation:

• After image is the term used for the image that persists in the eye even after the original image that the eye was being exposed to is removed.
• After image is a type of an optical illusion and can either be a positive or a negative after image.
• If the colors of the original image is retained in the after image then this is termed as positive after image.
• If the colors of the original image are reversed in the after image then this is termed as negative after image.
• After image can occur either due to a prolonged exposure to a very bright light against a dark background such as headlights or after a prolonged exposure to a colored image.