Individual differences in working memory capacity are unrelated to the magnitudes of retrocue benefits

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Ye , C , Xu , Q , Liu , X , Astikainen , P , Zhu , Y , Hu , Z & Liu , Q 2021 , ' Individual differences in working memory capacity are unrelated to the magnitudes of retrocue benefits ' , Scientific Reports , vol. 11 , 7258 . https://doi.org/10.1038/s41598-021-86515-5

Title: Individual differences in working memory capacity are unrelated to the magnitudes of retrocue benefits
Author: Ye, Chaoxiong; Xu, Qianru; Liu, Xinyang; Astikainen, Piia; Zhu, Yongjie; Hu, Zhonghua; Liu, Qiang
Contributor: University of Helsinki, Department of Computer Science
Date: 2021-03-31
Language: eng
Number of pages: 11
Belongs to series: Scientific Reports
ISSN: 2045-2322
URI: http://hdl.handle.net/10138/330913
Abstract: Previous studies have associated visual working memory (VWM) capacity with the use of internal attention. Retrocues, which direct internal attention to a particular object or feature dimension, can improve VWM performance (i.e., retrocue benefit, RCB). However, so far, no study has investigated the relationship between VWM capacity and the magnitudes of RCBs obtained from object-based and dimension-based retrocues. The present study explored individual differences in the magnitudes of object- and dimension-based RCBs and their relationships with VWM capacity. Participants completed a VWM capacity measurement, an object-based cue task, and a dimension-based cue task. We confirmed that both object- and dimension-based retrocues could improve VWM performance. We also found a significant positive correlation between the magnitudes of object- and dimension-based RCB indexes, suggesting a partly overlapping mechanism between the use of object- and dimensionbased retrocues. However, our results provided no evidence for a correlation between VWM capacity and the magnitudes of the object- or dimension-based RCBs. Although inadequate attention control is usually assumed to be associated with VWM capacity, the results suggest that the internal attention mechanism for using retrocues in VWM retention is independent of VWM capacity.
Subject: SHORT-TERM-MEMORY
ORIENTING ATTENTION
REPRESENTATIONS
CONSOLIDATION
INFORMATION
MAINTENANCE
RETRIEVAL
LOCATIONS
BANDWIDTH
SELECTION
3112 Neurosciences
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