Human Areas V3A and V6 Compensate for Self-Induced Planar Visual Motion

Nikos Logothetis, Elvira Fischer, Heinrich H. Bülthoff, Nikos K. Logothetis, Andreas Bartels

    Research output: Contribution to journalArticlepeer-review


    Little is known about mechanisms mediating a stable perception of the world during pursuit eye movements. Here, we used fMRI to determine to what extent human motion-responsive areas integrate planar retinal motion with nonretinal eye movement signals in order to discard self-induced planar retinal motion and to respond to objective (" real" ) motion. In contrast to other areas, V3A lacked responses to self-induced planar retinal motion but responded strongly to head-centered motion, even when retinally canceled by pursuit. This indicates a near-complete multimodal integration of visual with nonvisual planar motion signals in V3A. V3A could be mapped selectively and robustly in every single subject on this basis. V6 also reported head-centered planar motion, even when 3D flow was added to it, but was suppressed by retinal planar motion. These findings suggest a dominant contribution of human areas V3A and V6 to head-centered motion perception and to perceptual stability during eye movements. Fischer et al. find that human V3A and V6 contribute to perceptual stability and veridical motion perception during eye movements. These regions integrate eye movements with retinal signals to encode motion in both head- and world-centered coordinates. © 2012 Elsevier Inc.
    Original languageEnglish
    Pages (from-to)1228-1240
    Number of pages12
    Issue number6
    Publication statusPublished - 22 Mar 2012


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