Changes of the Video Head Impulse Test Gains by the Directions of Head Rotation at Different Target Distances and Rotation Speeds

Chan Il Song, Yeong Eun Kim, Eun Hye Cha, Myung Hoon Yoo, Je Yeon Lee, and Hong Ju Park Department of Otolaryngology-Head and Neck Surgery, Jeju National University School of Medicine, Jeju; and Department of Otolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul; and Department of Otolaryngology-Head and Neck Surgery, Korea University Ansan Hospital, Ansan, Korea