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| Illusions of self-motion ： ウィキペディア英語版 |
Illusions of self-motion
Illusions of self-motion refers to a phenomenon that occurs when someone feels like their body is moving when no movement is taking place. One can experience illusory movements of the whole body or of individual body parts, such as arms or legs.
==Vestibular illusions==
The vestibular system is one of the major sources of information about one's own motion. Disorders of the visual system can lead to dizziness, vertigo, and feelings of instability. Vertigo is not associated with illusory self-motion as it does not typically make you feel as though you are moving; however, in a subclass of vertigo known as subjective vertigo one does experience their own motion. People experience themselves being pulled heavily in one direction〔http://vestibular.org/understanding-vestibular-disorder/symptoms〕 There are also specific self-motion illusions that can occur through abnormal stimulation of various parts of the vestibular system, often encountered in aviation. This includes an illusion of inversion, in which one feels like they're tumbling backwards.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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