Distractor rejection in parallel search tasks takes time but does not benefit from context repetition*

Gavin Jun Peng Ng, Simona Buetti, Sanda Dolcos, Florin Dolcos, Alejandro Lleras

Research output: Contribution to journalArticle

Abstract

When the spatial configuration of a search display is presented repeatedly, response times to finding the target within that configuration are shorter compared to completely novel configurations, even though observers do not have explicit recognition of the repetition. This phenomenon is known as Contextual Cueing and selective attention is thought to be necessary for the effect. Previous research has suggested that repetition of the context of unattended items does not appear to improve performance; only repetition of attended items does. It has been proposed that this occurs because unattended items are pre-attentively filtered and thus do not contribute to performance. Here we demonstrate that so-called “unattended” items do contribute to performance, just not to contextual cueing. We approach this question from the perspective of the parallel processing of the scene that unfolds at the start of each item and that has been recently modelled by the Target Contrast Signal Theory. We show that the processing time per item during parallel evaluation of the scene is not affected by context repetition, suggesting that the locations of the items rejected in this stage are not integrated into the memory representation underlying contextual cueing. Other alternatives are also discussed.

Original languageEnglish (US)
JournalVisual Cognition
DOIs
StateAccepted/In press - Jan 1 2019

Fingerprint

Reaction Time
Research
Recognition (Psychology)
Rejection (Psychology)
Rejection
Distractor
Contextual

Keywords

  • Contextual cueing
  • target contrast signal theory
  • visual search

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Arts and Humanities (miscellaneous)
  • Cognitive Neuroscience

Cite this

Distractor rejection in parallel search tasks takes time but does not benefit from context repetition* . / Ng, Gavin Jun Peng; Buetti, Simona; Dolcos, Sanda; Dolcos, Florin; Lleras, Alejandro.

In: Visual Cognition, 01.01.2019.

Research output: Contribution to journalArticle

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