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Working memory capacity and controlled serial memory search


Mizrak, Eda; Öztekin, Ilke (2016). Working memory capacity and controlled serial memory search. Cognition, 153:52-62.

Abstract

The speed-accuracy trade-off (SAT) procedure was used to investigate the relationship between working memory capacity (WMC) and the dynamics of temporal order memory retrieval. High- and low-span participants (HSs, LSs) studied sequentially presented five-item lists, followed by two probes from the study list. Participants indicated the more recent probe. Overall, accuracy was higher for HSs compared to LSs. Crucially, in contrast to previous investigations that observed no impact of WMC on speed of access to item information in memory (e.g., Öztekin & McElree, 2010), recovery of temporal order memory was slower for LSs. While accessing an item's representation in memory can be direct, recovery of relational information such as temporal order information requires a more controlled serial memory search. Collectively, these data indicate that WMC effects are particularly prominent during high demands of cognitive control, such as serial search operations necessary to access temporal order information from memory.

Abstract

The speed-accuracy trade-off (SAT) procedure was used to investigate the relationship between working memory capacity (WMC) and the dynamics of temporal order memory retrieval. High- and low-span participants (HSs, LSs) studied sequentially presented five-item lists, followed by two probes from the study list. Participants indicated the more recent probe. Overall, accuracy was higher for HSs compared to LSs. Crucially, in contrast to previous investigations that observed no impact of WMC on speed of access to item information in memory (e.g., Öztekin & McElree, 2010), recovery of temporal order memory was slower for LSs. While accessing an item's representation in memory can be direct, recovery of relational information such as temporal order information requires a more controlled serial memory search. Collectively, these data indicate that WMC effects are particularly prominent during high demands of cognitive control, such as serial search operations necessary to access temporal order information from memory.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Institute of Psychology
Dewey Decimal Classification:150 Psychology
Uncontrolled Keywords:Linguistics and Language, Experimental and Cognitive Psychology, Cognitive Neuroscience, Developmental and Educational Psychology, Language and Linguistics
Language:English
Date:1 August 2016
Deposited On:11 Nov 2019 11:42
Last Modified:11 Nov 2019 11:55
Publisher:Elsevier
ISSN:0010-0277
OA Status:Closed
Publisher DOI:https://doi.org/10.1016/j.cognition.2016.04.007
Project Information:
  • : FunderFP7
  • : Grant ID277016
  • : Project TitleCHARM - Cognitive mechanisms that lead to age related memory deficits

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