Pub. date: 2010 | Online Pub. Date: December 16, 2009 | DOI: 10.4135/9781412972000 | Print ISBN: 9781412940818 | Online ISBN: 9781412972000| Publisher:SAGE Publications, Inc.About this encyclopedia
Frank H. Durgin
Self-motion perception refers to the ability to keep track of changes in one's position or orientation in space. For animals to move effectively in the world, they must be able to predict and detect the consequences of their actions. Some of the information that controls the perception of self-motion in humans is experienced quite vividly as self-velocity, but self-motion perception can also be experienced simply as a change in felt location. This entry concentrates on sources of information for self-motion, navigation, and the role of other sensory systems in self-motion. Many distinct sensory and motor systems contribute to the human ability to keep track of the location of one's body in space. One is the vestibular system. Most people are familiar with the disruptions of controlled self-motion caused by being dizzy. Spinning in place for an extended period of time causes signals from the semicircular canals of the vestibular system ...