While some faculty add images to make their courses and the materials they create more visually appealing, there is evidence these images and animations can interfere with learning. The effect is attributed to the extraneous cognitive load introduced by the images and animations. An example of the research documenting the effect is here: 

Decorative animations impair recall and are a source of extraneous cognitive load. 
Last modified: Wednesday, January 11, 2023, 10:10 AM