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The Neural Basis of Updating: Distinguishing Substitution Processes from Other Concurrent Processes
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Building, Energy and Environmental Engineering. (Miljöpsykologi)ORCID iD: 0000-0002-7584-2275
Department of Biological and Medical Psychology, University of Bergen, Haukeland University Hospital, Bergen, Norway.
2010 (English)In: Scandinavian Journal of Psychology, ISSN 0036-5564, E-ISSN 1467-9450, Vol. 51, no 5, 357-362 p.Article in journal (Refereed) Published
Abstract [en]

Most previous studies of updating processes have not been able to contrast processes of substituting items in memory with other concurrent processes. In the present investigation, we used a new task called “number updating” and an fMRI protocol to contrast the activation of trials that require item substitution (adding a new item to the working memory representation and suppressing an old item) with trials that involve no substitution (discarding the new item). Trials that require item substitution activated the dorsolateral prefrontal cortex, the posterior medial frontal cortex and the parietal lobes, areas typically seen activated for working memory tasks in general. Trials that do not require substitution activated the anterior medial frontal cortex. Studies examining executive functions have associated this area with cognitive conflict, and may represent suppression of the substitution processes.

Place, publisher, year, edition, pages
2010. Vol. 51, no 5, 357-362 p.
Keyword [en]
Event-related fMRI, Frontal-parietal network, Substitution, Updating, Working memory
National Category
Psychology (excluding Applied Psychology)
Identifiers
URN: urn:nbn:se:hig:diva-5883DOI: 10.1111/j.1467-9450.2010.00817.xISI: 000281950300001PubMedID: 20338016Scopus ID: 2-s2.0-78649410975OAI: oai:DiVA.org:hig-5883DiVA: diva2:278726
Available from: 2009-11-29 Created: 2009-11-29 Last updated: 2016-07-05Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard-cite-them-right
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • sv-SE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • de-DE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf