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  • Title: What is being masked in object substitution masking?
    Author: Gellatly A, Pilling M, Cole G, Skarratt P.
    Journal: J Exp Psychol Hum Percept Perform; 2006 Dec; 32(6):1422-35. PubMed ID: 17154782.
    Abstract:
    Object substitution masking (OSM) is said to occur when a perceptual object is hypothesized that is mismatched by subsequent sensory evidence, leading to a new hypothesized object being substituted for the first. For example, when a brief target is accompanied by a longer lasting display of nonoverlapping mask elements, reporting of target features may be impaired. J. T. Enns and V. Di Lollo (2000) considered it an outstanding question whether OSM masks some or all aspects of a target. The authors report three experiments demonstrating that OSM can selectively affect target features. Participants may be able to detect a target while being unable to report other aspects of it or to report the color but not the orientation of a target (or vice versa). We discuss these findings in relation to two other visual phenomena.
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