Imagination, Memory and Dizziness

Have you ever heard someone say, "That makes me dizzy just looking at it" (In reference to a picture of individuals on the edge of a cliff) or "That makes me dizzy just thinking about it" (In reference to a discussion about climbing up a ladder or riding an elevator to the top of a skyscraper)?

How is it that someone can become dizzy just looking or thinking about a height related topic?  Click here to learn more...