Serial and parallel processes in working memory after practices: Correction to Oberauer and Bialkova (2011).

Klaus Oberaer, Svetlana Bialkova

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Reports an error in "Serial and parallel processes in working memory after practice" by Klaus Oberauer and Svetlana Bialkova (Journal of Experimental Psychology: Human Perception and Performance, 2011[Apr], Vol 37[2], 606-614). Figure 3 was repeated in place of Figure 4. The correct version of Figure 4 appears in the erratum. (The following abstract of the original article appeared in record 2011-06411-008.) Six young adults practiced for 36 sessions on a working-memory updating task in which 2 digits and 2 spatial positions were continuously updated. Participants either did 1 updating operation at a time, or attempted 1 numerical and 1 spatial operation at the same time. In contrast to previous research using the same paradigm with a single digit and a single dot, dual-task costs were not eliminated with practice. Costs of switching between digits and between spatial positions were found throughout practice, supporting the existence of a focus of attention in working memory that can hold 1 digit and 1 spatial position simultaneously, but is not expanded to hold 2 elements of the same kind. The results can be understood by assuming that observed limits on parallel processing, as well as on the capacity of the focus of attention, arise not from structural constraints but rather reflect the optimal configuration of the cognitive system for avoiding information cross-talk in a given task
Original languageEnglish
Pages (from-to)1058-1058
Number of pages1
JournalJournal of experimental psychology : human perception and performance
Issue number4
Publication statusPublished - 2013


  • IR-87841
  • METIS-298919


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