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Title: Domain-specific processing in short-term serial order memory
Authors: Soemer, Alexander
Saito, Satoru  kyouindb  KAKEN_id  orcid (unconfirmed)
Author's alias: 齊藤, 智
Keywords: Serial order memory
Verbal memory
Spatial memory
Domain specificity
Working memory
Issue Date: Jun-2016
Publisher: Elsevier BV
Journal title: Journal of Memory and Language
Volume: 88
Start page: 1
End page: 17
Abstract: Recent studies of short-term serial order memory have suggested that the maintenance of order information does not involve domain-specific processes. We carried out two dual-task experiments aimed at resolving several ambiguities in those studies. In our experiments, encoding and response of one serial reconstruction task was embedded within encoding and response of a concurrent serial reconstruction task. Order demands in both tasks were independently varied so as to find revealing patterns of interference between the two tasks. In Experiment 1, participants were to maintain and reconstruct the order of a list of verbal materials, while maintaining a list of spatial materials or vice-versa. Increasing the order demands in the outer reconstruction task resulted in small or non-reliable performance decrements in the embedded reconstruction task. Experiment 2 sought to compare these results against two same-domain baseline conditions (two verbal lists or two spatial lists). In all conditions, increasing order demands in the outer task resulted in small or non-reliable performance decrements in the embedded task. However, performance in the embedded tasks was generally lower in the same-domain baseline conditions than in the cross-domain conditions. We argue that the main effect of domain in Experiment 2 indicates the contribution of domain-specific processes to short-term serial order maintenance. In addition, we interpret the failure to find consistent cross-list interference irrespective of domain as indicating the involvement of grouping mechanisms in concurrently performed serial order tasks.
Rights: © <2015>. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
This is not the published version. Please cite only the published version.
DOI(Published Version): 10.1016/j.jml.2015.12.003
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