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Competing for Consciousness: Prolonged Mask Exposure Reduces Object Substitution Masking

Goodhew, Stephanie Catherine; Visser, Troy A. W.; Lipp, Ottmar V; Dux, Paul E.


In object substitution masking (OSM) a sparse, temporally trailing 4-dot mask impairs target identification, even though it has different contours from, and does not spatially overlap with the target. Here, we demonstrate a previously unknown characteristic of OSM: Observers show reduced masking at prolonged (e.g., 640 ms) relative to intermediate mask durations (e.g., 240 ms). We propose that with prolonged exposure, the mask's visual representation is consolidated, which allows processing of...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Journal of Experimental Psychology: Human Perception and Performance
DOI: 10.1037/a0018740


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