The consequence of a limited-capacity short-term memory on repeated visual search

Christof Korner, Margit Hofler, Anja Ischebeck, Iain Gilchrist

Research output: Contribution to journalArticle (Academic Journal)peer-review

1 Citation (Scopus)
140 Downloads (Pure)

Abstract

When participants search the same letter display repeatedly for different targets we might expect
performance to improve on each subsequent search as they memorize characteristics of the display.
However, here we find that search performance improved from a first search to a second search but
not for a third search of the same display. This is predicted by a simple model that supports search
with only a limited capacity short-term memory for items in the display. To support this model we
show that a short-term memory recency effect is present in both the second and the third search.
The magnitude of these effects is the same in both searches and as a result there is no additional
benefit from the second to the third search.
Original languageEnglish
Number of pages11
JournalVisual Cognition
Early online date27 Sep 2018
DOIs
Publication statusE-pub ahead of print - 27 Sep 2018

Structured keywords

  • Cognitive Science
  • Visual Perception

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