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Articles, Behavioral/Cognitive

Strengthened Effective Connectivity Underlies Transfer of Working Memory Training to Tests of Short-Term Memory and Attention

Bornali Kundu, David W. Sutterer, Stephen M. Emrich and Bradley R. Postle
Journal of Neuroscience 15 May 2013, 33 (20) 8705-8715; DOI: https://doi.org/10.1523/JNEUROSCI.5565-12.2013
Bornali Kundu
1Neuroscience Training Program and Medical Scientist Training Program, and
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David W. Sutterer
3Department of Psychology, University of Oregon, Eugene, Oregon 97403, and
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Stephen M. Emrich
4Department of Psychology, Brock University, St. Catharines, Ontario L2S 3A1, Canada
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Bradley R. Postle
1Neuroscience Training Program and Medical Scientist Training Program, and
2Department of Psychology, University of Wisconsin–Madison, Madison, Wisconsin 57306,
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This article has a correction. Please see:

  • Correction: Kundu et al., Strengthened Effective Connectivity Underlies Transfer of Working Memory Training to Tests of Short-Term Memory and Attention - June 19, 2013

Abstract

Although long considered a natively endowed and fixed trait, working memory (WM) ability has recently been shown to improve with intensive training. What remains controversial and poorly understood, however, are the neural bases of these training effects and the extent to which WM training gains transfer to other cognitive tasks. Here we present evidence from human electrophysiology (EEG) and simultaneous transcranial magnetic stimulation and EEG that the transfer of WM training to other cognitive tasks is supported by changes in task-related effective connectivity in frontoparietal and parieto-occipital networks that are engaged by both the trained and transfer tasks. One consequence of this effect is greater efficiency of stimulus processing, as evidenced by changes in EEG indices of individual differences in short-term memory capacity and in visual search performance. Transfer to search-related activity provides evidence that something more fundamental than task-specific strategy or stimulus-specific representations has been learned. Furthermore, these patterns of training and transfer highlight the role of common neural systems in determining individual differences in aspects of visuospatial cognition.

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The Journal of Neuroscience: 33 (20)
Journal of Neuroscience
Vol. 33, Issue 20
15 May 2013
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Strengthened Effective Connectivity Underlies Transfer of Working Memory Training to Tests of Short-Term Memory and Attention
Bornali Kundu, David W. Sutterer, Stephen M. Emrich, Bradley R. Postle
Journal of Neuroscience 15 May 2013, 33 (20) 8705-8715; DOI: 10.1523/JNEUROSCI.5565-12.2013

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Strengthened Effective Connectivity Underlies Transfer of Working Memory Training to Tests of Short-Term Memory and Attention
Bornali Kundu, David W. Sutterer, Stephen M. Emrich, Bradley R. Postle
Journal of Neuroscience 15 May 2013, 33 (20) 8705-8715; DOI: 10.1523/JNEUROSCI.5565-12.2013
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