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  • Title: Adaptive center-surround interactions in human vision revealed during binocular rivalry.
    Author: Paffen CL, Tadin D, te Pas SF, Blake R, Verstraten FA.
    Journal: Vision Res; 2006 Mar; 46(5):599-604. PubMed ID: 16005041.
    Abstract:
    We used binocular rivalry as a psychophysical probe to explore center-surround interactions in orientation, motion and color processing. Addition of the surround matching one of the rival targets dramatically altered rivalry dynamics. For all visual sub-modalities tested, predominance of the high-contrast rival target matched to the surround was greatly reduced-a result that disappeared at low contrast. At low contrast, addition of the surround boosted dominance of orientation and motion targets matched to the surround. This contrast-dependent modulation of center-surround interactions seems to be a general property of the visual system and may reflect an adaptive balance between surround suppression and spatial summation.
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