title: Comparison of velocity waveforms of eye and head saccades.
abstract: We compared the velocity waveforms of head and eye-in-head movements during eye-head saccades over a range 5-50 degrees. The velocity waveforms of eye-in-head saccades showed a skew ratio (acceleration period/saccade duration) that varied as a function of saccade size and duration. The velocity waveforms of head saccades showed a more constant skew of approximately 0.5 for the range of movements tested. These results suggest independent system controllers for eye and head components of eye-head saccades.
authors.affiliation: Department of Biomedical Engineering and Neurology Service, Veteran Affairs Medical Center, 10701 East Boulevard, Cleveland OH 44106-1702, USA.
authors.forename: Ke
authors.initials: K
authors.lastname: Liao
authors.forename: Arun N
authors.initials: AN
authors.lastname: Kumar
authors.forename: Yanning H
authors.initials: YH
authors.lastname: Han
authors.forename: Victoria A
authors.initials: VA
authors.lastname: Grammer
authors.forename: Brian T
authors.initials: BT
authors.lastname: Gedeon
authors.forename: R John
authors.initials: RJ
authors.lastname: Leigh
mesh_terms: D005403:Fixation, Ocular; D019416:Head Movements / Q000502:physiology*; D006801:Humans; D007700:Kinetics; D011187:Posture; D012438:Saccades / Q000502:physiology*