What is "marked" in visual marking? Evidence for effects of configuration in preview search

Research output: Contribution to journalArticle


Colleges, School and Institutes


Visual search for a conjunction target is facilitated when distractor sets are segmented over time: the preview benefit Watson and Humphreys (1997) suggested that this benefit involved inhibition of old items (visual marking, VM). We investigated whether the preview benefit is sensitive to the configuration of the old distractors. Old distractors changed their location prior to the occurrence of the new items, while also either changing or maintaining their configuration. Configuration changes disrupted search. The results are consistent with object-based VM, which is sensitive to the configuration of old stimuli.


Original languageEnglish
Pages (from-to)982-996
Number of pages15
JournalPerception & Psychophysics
Issue number6
Publication statusPublished - 1 Aug 2003