Vertigo often presents as dizziness, which can have many causes. In this discussion, we will examine causes and their related anatomy and physiology. Within the article, , select one type of vertigo to read about. Focus on the anatomy and physiology, as opposed to the treatments.  

Initial post: In your initial post, describe the type of vertigo you chose to read about and explain the related anatomy and physiology. Be sure to cite the required resource to support your descriptions.