Stationary phantoms and grating induction with oblique inducing gratings: Implications for different mechanisms underlying the two phenomena

James M. Brown, Jiro Gyoba, James G. May

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    The visibility of stationary visual phantoms and the grating induction (GI) effect were concurrently analyzed with both black and gray inspection areas (IA) using the same subjects with counterbalanced orders of measurements. Oblique inducing gratings were employed in order to compare the visibility of obliquely aligned and vertically misaligned appearances between the two phenomena. Aligned and misaligned phantom responses with a black IA were similar, whereas overall phantom visibility was severely suppressed when the IA was gray. In contrast, misaligned GI dominated with a gray IA, whereas aligned and misaligned GI responses were similar with a black IA. Phantoms appear to be related to visual mechanisms' selectively utilizing relative luminance information between the inducing grating and IA in a manner consistent with more global figural characteristics of the display (e.g., modal and amodal completion). On the other hand, GI may be predominantly due to locally operating brightness/contrast mechanisms.

    Original languageEnglish
    Pages (from-to)278-283
    Number of pages6
    JournalPsychonomic Bulletin and Review
    Volume8
    Issue number2
    DOIs
    Publication statusPublished - 2001 Jun

    ASJC Scopus subject areas

    • Experimental and Cognitive Psychology
    • Developmental and Educational Psychology
    • Arts and Humanities (miscellaneous)

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