Q Class Discussion - Sensory Memory - Iconic vs Echoic Going back to the concept of sensation, it should not be too surprising that much of our memory is represented by sights and sounds. This is referred to as Iconic and Echoic memory. This video gives you some information on the difference. George Sperling discovered the existence of Iconic Memory. Other researchers followed with echoic and haptic memory. Read the following short article and briefly describe in 75-100 words what you have learned. Do you think there are other types of sensory memory? Explain your answer, and comment on at least two other students replies in 75-100 words. Sensory Memory Types and Experiments Note: Click the options button in the upper right corner to see the rubric for this exercise.