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Title: Exploring the forgetting mechanisms in working memory: Evidence from a reasoning span test
Authors: Saito, Satoru  kyouindb  KAKEN_id  orcid (unconfirmed)
Jarrold, Christopher
Riby, Deborah M.
Author's alias: 齊藤, 智
Keywords: Reading span
Resource sharing
Short-term forgetting
Stimulus order effect
Task switching
Working memory
Issue Date: Jul-2009
Publisher: Taylor & Francis
Journal title: Quarterly Journal of Experimental Psychology
Volume: 62
Issue: 7
Start page: 1401
End page: 1419
Abstract: In working memory (WM) span tests participants have to maintain to-be-remembered information while processing other, potentially distracting, information. Previous studies have shown that WM span scores are greater when span lists start with a long processing task and end with a short processing task than when these processing tasks are presented in the reverse order (e.g., Towse, Hitch, Hutton, 2000). In Experiment 1, we obtained a similar stimulus order effect in a reasoning span test, using reasoning sentences that were equated for length in terms of the number of constituent words, but which differed in processing complexity; span scores were greater when lists began with a complex sentence and ended with a simple sentence than when this stimulus order was reversed. In Experiment 2, the stimulus order effect was not found when processing duration was held constant while sentence complexity was varied using a computer-paced moving window presentation paradigm. These results suggest that duration-based constraints can affect degree of forgetting independently of the load generated during processing phases in WM span performance and therefore imply that time-related forgetting can occur in WM span tests, particularly when the difficulty of the processing component blocks active maintenance of to-be-remembered material.
Description: This is an electronic version of an article published in [Saito, S., C. Jarrold, and D. M. Riby. 2009. Exploring the forgetting mechanisms in working memory: Evidence from a reasoning span test. Quarterly Journal of Experimental Psychology 62, (7): 1401-1419.]. This Article is available online at:
Rights: c 2008 The Experimental Psychology Society. 許諾条件により本文は2010-07-01に公開.
This is not the published version. Please cite only the published version.
DOI(Published Version): 10.1080/17470210802426924
PubMed ID: 19058051
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