Rapid forgetting prevented by retrospective attention cues

Yoni Pertzov*, Paul M. Bays, Sabine Joseph, Masud Husain

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

180 Scopus citations

Abstract

Recent studies have demonstrated that memory performance can be enhanced by a cue which indicates the item most likely to be subsequently probed, even when that cue is delivered seconds after a stimulus array is extinguished. Although such retro-cuing has attracted considerable interest, the mechanisms underlying it remain unclear. Here, we tested the hypothesis that retro-cues might protect an item from degradation over time. We employed two techniques that previously have not been deployed in retro-cuing tasks. First, we used a sensitive, continuous scale for reporting the orientation of a memorized item, rather than binary measures (change or no change) typically used in previous studies. Second, to investigate the stability of memory across time, we also systematically varied the duration between the retro-cue and report. Although accuracy of reporting uncued objects rapidly declined over short intervals, retro-cued items were significantly more stable, showing negligible decline in accuracy across time and protection from forgetting. Retro-cuing an object's color was just as advantageous as spatial retro-cues. These findings demonstrate that during maintenance, even when items are no longer visible, attention resources can be selectively redeployed to protect the accuracy with which a cued item can be recalled over time, but with a corresponding cost in recall for uncued items.

Original languageAmerican English
Pages (from-to)1224-1231
Number of pages8
JournalJournal of Experimental Psychology: Human Perception and Performance
Volume39
Issue number5
DOIs
StatePublished - Oct 2013
Externally publishedYes

Keywords

  • Attention
  • Forgetting
  • Memory decay
  • Retro-cue
  • Visual working memory

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