Abstract：
:We compared ocular and eye-head tracking responses to an illusion of diagonal motion produced when vertical movement of a small visual target was synchronized to horizontal movement of a background display. In response to sinusoidal movement, smooth ocular pursuit followed vertical target motion, with only a small horizontal component. In response to regular stepping movement, all anticipatory saccades were in the direction of the illusion; these erroneous oblique movements were followed by corrective horizontal saccades. When the head was free to move, it usually showed a diagonal trajectory that, for both sinusoidal and stepping target motion, was always in the direction of the illusion; no corrective movements were present. Thus, for our illusory stimuli, eye and head tracking showed qualitative differences that imply that ocular tracking was ultimately controlled by actual target motion but head tracking was controlled by illusory target motion.
journal_name
Vision Resjournal_title
Vision researchauthors
Zivotofsky AZ,Averbuch-Heller L,Thomas CW,Das VE,Discenna AO,Leigh RJdoi
10.1016/0042-6989(95)00067-asubject
Has Abstractpub_date
1995-11-01 00:00:00pages
3029-35issue
21eissn
0042-6989issn
1878-5646pii
0042-6989(95)00067-Ajournal_volume
35pub_type
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